Psychological trauma : theory, research, practice and policy最新文献

{"title":"The influence of betrayal trauma on complex posttraumatic stress disorder symptoms.","authors":"Christine Hujing, Matthew M Yalch","doi":"10.1037/tra0001649","DOIUrl":"10.1037/tra0001649","url":null,"abstract":"<p><strong>Objective: </strong>Complex posttraumatic stress disorder (complex PTSD) is characterized by symptoms of PTSD combined with disturbance in self-organization and is distressing for many people who have experienced chronic and repetitive interpersonal trauma. Studies on the precursors to complex PTSD have thus far focused on the forms of trauma perpetrated rather than who perpetrated the trauma. Traumas that are associated with complex PTSD (i.e., chronic and repetitive interpersonal traumas) are often perpetrated by someone that is close to the victim and thus involve an element of betrayal. However, there is little research on whether traumas high in betrayal are more associated with complex PTSD symptoms than traumas lower in betrayal. The aim of this study is to examine the association between traumas with varying degrees of betrayal and complex PTSD symptoms.</p><p><strong>Method: </strong>We examined this association in a sample of adults (<i>N</i> = 364) recruited using Amazon's Mechanical Turk using a Bayesian approach to multiple regression.</p><p><strong>Results: </strong>Results suggest that interpersonal traumas both with and without a component of betrayal were associated with complex PTSD symptoms for both women and men. We further found that for men, noninterpersonal trauma was also associated with complex PTSD symptoms.</p><p><strong>Conclusion: </strong>Study findings highlight the role of interpersonal trauma on complex PTSD symptoms, especially for women. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139472652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Trauma symptom patterns in a large sample of military personnel outpatients: Differential relations to trauma exposure, depression, and anxiety symptoms.","authors":"Nina Spaegele, Tova Lewin, Anat Talmon","doi":"10.1037/tra0001597","DOIUrl":"10.1037/tra0001597","url":null,"abstract":"<p><strong>Objective: </strong>Posttraumatic stress disorder (PTSD) results from experiencing or witnessing a traumatic event and is the most common clinical syndrome seen in military personnel. However, each patient experiences the impact of trauma differently exhibiting individual patterns of trauma symptoms. The current study endeavors to investigate individual patterns of trauma symptoms in military personnel and specifically analyze potential linkage and/or relation between blast exposure, anxiety, and depression.</p><p><strong>Method: </strong>We employed a person-centered approach of latent class analysis (LCA) to stratify 594 military personnel outpatients based on their response patterns in the Trauma Symptom Inventory (TSI). Then, we related the resulting clusters to the number of blasts to which they were exposed, as well as to depression (Zung Self-Rating Depression Scale) and anxiety symptom severity (Beck Anxiety Inventory) using one-way analyses of variance with Bonferroni pairwise comparisons.</p><p><strong>Results: </strong>We found three distinct clusters of traumatic symptoms: (a) Atypical response with low overall symptom burden, (b) increased response level and arousal, and (c) severe trauma symptom burden with tension-reduction behaviors. Individuals in Cluster 2 were exposed to significantly more blasts than in Cluster 1. Moreover, individuals in Cluster 3 reported the highest depression and anxiety symptom severities, followed by Cluster 2, followed by Cluster 1.</p><p><strong>Conclusions: </strong>These results suggest heterogeneity among military personnel suffering from trauma and reveal their distinct relations to clinical comorbidities-emphasizing the role of person-centered, tailored approaches in clinical practice. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41177905","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Cumulative trauma, posttraumatic stress, and obstetric and perinatal outcomes.","authors":"Rachel Wamser, Rebecca A Ferro","doi":"10.1037/tra0001579","DOIUrl":"10.1037/tra0001579","url":null,"abstract":"<p><strong>Objective: </strong>Traumatic stress is associated with increased risk for physical health conditions, emotional disorders, and reproductive challenges. Significant rates of posttraumatic stress disorder are reported during pregnancy and after childbirth (Yildiz et al., 2017). However, a dearth of research has explored how traumatic stress impacts obstetric and perinatal outcomes. The aim of this study was to examine whether cumulative trauma and posttraumatic stress symptoms (PTSS) were positively associated with adverse obstetric and perinatal outcomes (i.e., pregnancy complications, nonviable pregnancies, preterm birth, and low birth weight). Abortion was also explored in relation to trauma exposure.</p><p><strong>Method: </strong>Two hundred and twenty-six trauma-exposed women (<i>M</i>_age = 40.54, <i>SD</i> = 13.03) who had been pregnant at least once were recruited from Amazon's Mechanical Turk (MTurk; 63.3%) or midwestern university (36.7%) to participate in the study.</p><p><strong>Results: </strong>Higher levels of PTSS were related to a greater number of nonviable pregnancies and abortions (βs = .18-.20) as well as delivering a low birth weight baby (<i>OR</i> = 1.03). Yet, these same associations were not found with cumulative trauma exposure. Conversely, greater cumulative trauma was linked with delivering a baby prematurely (<i>OR</i> = 1.16). Pregnancy complications were unrelated to both PTSS and cumulative trauma.</p><p><strong>Conclusions: </strong>Cumulative trauma exposure and PTSS may have adverse effects on obstetric and perinatal outcomes and pregnant women with PTSS may be especially vulnerable. Further research is needed to replicate these findings and examine the temporal relationship between duration of PTSS and obstetric and perinatal outcomes. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41131845","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Predictors of compassion fatigue and compassion satisfaction among Australian teachers.","authors":"Emily Berger, Deborah Nott","doi":"10.1037/tra0001573","DOIUrl":"10.1037/tra0001573","url":null,"abstract":"<p><strong>Objective: </strong>Research on factors that predict compassion satisfaction and compassion fatigue of teachers is limited. This study aimed to evaluate predictors of compassion fatigue (as defined by burnout and secondary traumatic stress) and compassion satisfaction of Australian teachers.</p><p><strong>Method: </strong>Three hundred and two teachers completed an online survey. It was hypothesized that teachers with prior experience with trauma-exposed students, a history of mental illness, and personal trauma history would show higher compassion fatigue. Older teachers, teachers previously exposed to trauma training, and teachers with higher perceived knowledge and confidence to manage student trauma were expected to show higher compassion satisfaction.</p><p><strong>Results: </strong>Teachers with exposure to student trauma, a personal history of trauma, and a history of mental illness experienced higher compassion fatigue, while older teachers and those with higher perceived knowledge and confidence to deal with student trauma experienced higher compassion satisfaction.</p><p><strong>Conclusions: </strong>Results indicate that professional development programs should include trauma-informed knowledge and skills for teachers to enhance their well-being when responding to trauma-exposed students. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9964774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Working memory performance is related to childhood trauma but not psychotic-like experiences in a nonpsychiatric sample.","authors":"Arielle Ered, Charlotte A Chun, Kathleen J O'Brien, Gina M Creatura, Lauren M Ellman","doi":"10.1037/tra0001568","DOIUrl":"10.1037/tra0001568","url":null,"abstract":"<p><strong>Objective: </strong>This project seeks to clarify the impact of childhood trauma and psychotic-like experiences (PLEs) on working memory (WM) and explore gender differences in these relationships. The effect of childhood trauma on WM performance has yet to be explored in individuals with PLEs, despite consistent associations between trauma, psychosis spectrum symptoms, and WM performance.</p><p><strong>Method: </strong>In 466 undergraduates, positive PLEs (Prodromal Questionnaire) and trauma (Childhood Trauma Questionnaire) were examined to determine contributions to WM performance on a spatial n-back task. We conducted hierarchical linear regressions on the total sample and stratified by gender to examine the effects of childhood trauma, positive PLEs, and their interaction on WM performance. Supplemental analyses explored attenuated negative and disorganized symptoms.</p><p><strong>Results: </strong>Controlling for age, there were no significant main effects of positive PLEs, childhood trauma, their interaction, or three-way interaction including gender in predicting WM. After stratifying by gender, childhood trauma was significantly associated with poorer WM in females only. Post hoc analyses revealed that in the full sample, physical neglect predicted WM performance and was a trend for females, while sexual abuse trended toward predicting WM in males. Supplemental analyses of attenuated negative and disorganized symptoms revealed childhood trauma significantly predicted WM in the full sample and females only for negative symptoms.</p><p><strong>Conclusions: </strong>Females who have experienced childhood trauma may be at greater risk for WM problems, irrespective of co-occurring PLEs, suggesting that cognitive difficulties may be partially attributable to history of trauma. These findings have potential implications for intervention strategies in trauma-exposed individuals. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10858292/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9969851","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Assessing the existence of trauma-related diagnostic overshadowing in adult populations.","authors":"Katherine E Wislocki, Alyson K Zalta","doi":"10.1037/tra0001484","DOIUrl":"10.1037/tra0001484","url":null,"abstract":"<p><strong>Objective: </strong>Previous research with youth has shown that clinicians tend to diagnose and treat posttraumatic stress disorder (PTSD) in trauma-exposed clients, even when clinical presentations indicate that PTSD is not the primary diagnosis. The current study sought to examine this trauma-related diagnostic overshadowing bias in adult cases across different types of trauma exposure.</p><p><strong>Method: </strong>Mental health professionals (<i>N</i> = 232) reviewed two vignettes describing an adult seeking treatment for either obsessive-compulsive disorder (OCD) symptoms or substance use disorder (SUD) symptoms (target disorders). Each participant was randomly assigned to one vignette in which one client endorsed exposure to trauma (i.e., sexual trauma or physical trauma) and one vignette in which the client reported no trauma exposure. Following each vignette, participants responded to questions related to the diagnosis and treatment of the client.</p><p><strong>Results: </strong>In both cases, participants were significantly less likely to choose the target diagnosis and treatment and more likely to choose a PTSD diagnosis and trauma treatment when trauma exposure was present in the vignettes. Evidence for the bias was strongest for vignettes that contained sexual trauma compared to vignettes that contained physical trauma. Evidence for the bias was also more consistent in the OCD case compared to the SUD case.</p><p><strong>Conclusions: </strong>Results indicate evidence for the existence of trauma-related diagnostic overshadowing in adult populations, though the strength of this bias may be dependent on aspects of the trauma and overall clinical presentation. More work is needed to understand factors that may impact the presence of this bias. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9298969","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Testing the nightmare cognitive arousal processing model.","authors":"Westley A Youngren, Nancy A Hamilton, Kristopher J Preacher, Garrett R Baber","doi":"10.1037/tra0001542","DOIUrl":"10.1037/tra0001542","url":null,"abstract":"<p><strong>Objective: </strong>Posttrauma nightmares are recurring nightmares that begin after a traumatic experience. Research has only recently begun to identify variables that predict posttrauma nightmare occurrences. Research has identified presleep arousal-cognitive (PSA-C) and presleep arousal physiological (PSA-PHYS), sleep onset latency (SOL), and sleep-disordered breathing (SDB) as potential predictors of posttrauma nightmares. However, previous research includes methodological limitations, such as a lack of physiological measures and a homogeneous sample. To replicate previous findings and increase generalizability, the current study investigated predictors of nightmare occurrences in a sample of male inpatient veterans with mixed-trauma history.</p><p><strong>Method: </strong>Participants (<i>n</i> = 15) completed an initial assessment battery and seven consecutive days of pre and postsleep diaries, including measures of posttrauma nightmare triggers and posttrauma nightmare occurrences. Portable objective measurements of sleep and presleep states were used to examine sleep quality and physical arousal.</p><p><strong>Results: </strong>Analyses revealed that PSA-C and SOL both predicted posttrauma nightmare occurrences and that PSA-PHYS was significantly higher on nights when nightmares occurred.</p><p><strong>Conclusion: </strong>Results replicate earlier research which posits that PSA and SOL play a role in triggering the occurrence of posttrauma nightmares. It should be noted that the sample was relatively small, warranting cautious interpretation of results. However, when taken together with the findings of the replicated study, results could suggest the plausibility of therapies targeting presleep cognitions, SOL, and presleep arousal in the treatment of posttrauma nightmares. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9910772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Posttraumatic stress disorder in diverse populations: Testing for assessment bias in a nationally representative sample.","authors":"Carolina I Gutierrez, Katherina Arteaga, Ty S Schepis, Alessandro S De Nadai","doi":"10.1037/tra0001492","DOIUrl":"10.1037/tra0001492","url":null,"abstract":"<p><strong>Objective: </strong>A growing body of research has emerged to characterize differences in posttraumatic stress disorder (PTSD) symptom presentations in individuals from diverse racial and ethnic groups. However, less research has examined if these observed differences can be attributed to bias within PTSD assessments. Knowledge about potential bias in PTSD assessment is essential for interpreting group differences. If PTSD assessments do not perform similarly across diverse demographic groups, then observed differences may be artificial products of inaccurate measurement, new assessments could be required for individuals from different demographic groups, and we would be unable to accurately detect PTSD treatment effects in patients from diverse groups.</p><p><strong>Method: </strong>We evaluated PTSD assessment bias through tests of measurement invariance for the semistructured, clinician-administered AUDADIS-5 diagnostic assessment of participants in the National Epidemiologic Survey on Alcohol and Related Conditions-III. Participants included those who reported having experienced at least one potentially traumatic event in their lifetime (<i>N</i> = 23,936). Measurement invariance was assessed for participants who identified from several demographic groups (Asian, Native Hawaiian, or Pacific Islander; Hispanic; American Indian/Alaskan Native; and Black) compared to participants who identified as White (non-Hispanic).</p><p><strong>Results: </strong>Overall, PTSD assessment was largely invariant across groups, while small amounts of measurement invariance were detected that can inform future research and clinical adaptations.</p><p><strong>Conclusions: </strong>This work validates prior research that relies on a common conceptualization of PTSD, and it provides several paths for future improvement in research and clinical practice. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9445291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploring false negatives in self-reported trauma exposure status.","authors":"M Shae Nester, Myranda H Cook, Cameron P Pugach, Blair E Wisco","doi":"10.1037/tra0001635","DOIUrl":"10.1037/tra0001635","url":null,"abstract":"<p><strong>Introduction: </strong>Trauma exposure is often assessed using checklists such as the Life Events Checklist for <i>DSM-5</i> (LEC-5; Weathers et al., 2013b). When participants endorse multiple events, respondents are asked to identify a single, worst event (i.e., index event). Recent work indicates that the \"worst event\" method leads to a concerning number of false negatives. The purpose of the current study was to replicate previous findings of false negatives and extend them by examining characteristics associated with false negatives, such as trauma type, means of exposure, recency of trauma, and posttraumatic stress disorder (PTSD) symptom severity.</p><p><strong>Method: </strong>Adults (<i>n</i> = 476) provided data on trauma history assessed using a revised version of the LEC-5 that asked participants to provide follow-up information for each traumatic event endorsed. Participants also provided demographic data and completed the PTSD Checklist for <i>DSM-5.</i> Results: Two hundred thirty-four participants (49.16%) reported a worst event that met the <i>DSM-5</i> definition of Criterion A trauma (\"primary Criterion A\" group). However, of the 242 participants who did not, 138 participants (57.02%, or 28.99% of the total sample) reported a secondary event that did meet Criterion A (\"secondary Criterion A\" group). The secondary Criterion A group most commonly reported serious life-threatening illnesses/injuries and \"other\" stressful life experiences as their index trauma that did not fulfill Criterion A. Participants in the primary and secondary Criterion A groups reported similar levels of PTSD symptoms. No differences were observed in means of exposure and recency of index trauma between the Criterion A groups.</p><p><strong>Discussion: </strong>Findings raise questions regarding the efficiency and accuracy of the worst event method to determine trauma exposure status via self-report. Researchers should consider alternative methods for assessing trauma exposure rather than relying on the worst event scoring method. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139472627","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A current challenge in classification and treatment of DSM-5-TR prolonged grief disorder.","authors":"Mohsen Khosravi, Rashya Kasaeiyan","doi":"10.1037/tra0001510","DOIUrl":"10.1037/tra0001510","url":null,"abstract":"<p><p>This letter discusses the current challenge in classification and treatment of DSM-5-TR prolonged grief disorder. Prolonged grief disorder (PGD) is among the new mental disorders included in the DSM-5-TR section II, a chapter about trauma and stressor-related disorders. By definition, PGD is a maladaptive response to the death of a loved one characterized by a period of at least 12 months of persistent yearning for or preoccupation with the deceased and disabling symptoms such as disbelief about the death, avoidance, emotional numbness, identity disruption, intense emotional pain, loneliness, a sense that life is meaningless, and failure to move forward. This syndrome occurs in 9.8% of bereaved survivors and may be associated with increased risk of medical conditions (e.g., cardiovascular disease, cancer, and immunological dysfunction), substance use disorders (particularly increased tobacco and alcohol use), suicidality, and diminished quality of life. Given that PGD has clinical similarities with major depressive disorder (MDD) and posttraumatic stress disorder (PTSD), recent studies have evaluated selective serotonin reuptake inhibitors (SSRIs) in the treatment of this novel DSM-5-TR diagnosis. (PsycInfo Database Record (c) 2024 APA, all rights reserved).</p>","PeriodicalId":20982,"journal":{"name":"Psychological trauma : theory, research, practice and policy","volume":null,"pages":null},"PeriodicalIF":2.7,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9357163","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"心理学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}