Journal of Voice最新文献

{"title":"Clinical Use of the CAPE-V Scales: Agreement, Reliability and Notes on Voice Quality","authors":"Kathleen F. Nagle","doi":"10.1016/j.jvoice.2022.11.014","DOIUrl":"10.1016/j.jvoice.2022.11.014","url":null,"abstract":"<div><h3>Objectives</h3><div>The CAPE-V is a widely used protocol developed to help standardize the evaluation of voice. Variability of voice quality ratings has prevented development of training protocols that might themselves improve interrater agreement among new clinicians. As part of a larger mixed methods project, this study examines agreement and reliability for experienced clinicians using the CAPE-V scales.</div></div><div><h3>Study Design</h3><div>Observational.</div></div><div><h3>Methods</h3><div>Experienced voice clinicians (N=20) provided ratings of recordings from 12 speakers representing a range of overall voice quality. Participants were instructed to rate the voices as they normally would, using the CAPE-V scales. Descriptive data were recorded and two levels of agreement were calculated. Single rater reliability was calculated using a 2-way random model of absolute agreement for intraclass correlations (ICC [2,1]).</div></div><div><h3>Results</h3><div>Participants use of the CAPE-V scales varied considerably, although most rated overall severity, breathiness, roughness and strain. Data from one participant did not meet <em>a priori</em> agreement criteria. Because outcomes were significantly different without their data, agreement and reliability were analyzed based on the reduced data set from 19 participants. Interrater agreement and reliability were comparable to previous research; the mean range of ratings was at least 47mm for all dimensions of voice quality.</div></div><div><h3>Conclusions</h3><div>Results indicated differential use of the components of the CAPE-V form and scales in evaluating voice quality and severity of dysphonia, including categorical variability among ratings of all of the primary CAPE-V dimensions of voice quality that may complicate the clinical description of a voice as mildly, moderately or severely dysphonic.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 685-698"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10474799","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Common Mental Disorders and Self-Perceived Interpersonal Communication and Vocal Symptoms in University Professors","authors":"Caroline Azevedo Maciel ,&nbsp;Adriane Mesquita de Medeiros ,&nbsp;Letícia Caldas Teixeira","doi":"10.1016/j.jvoice.2022.12.006","DOIUrl":"10.1016/j.jvoice.2022.12.006","url":null,"abstract":"<div><h3>Objective</h3><div>To determine the prevalence of common mental disorders in university professors and to analyze the same with sociodemographic and occupational data, self-perceived interpersonal communication, and vocal symptoms.</div></div><div><h3>Methods</h3><div>A Cross-sectional analytical observational quantitative study with 322 university professors. Four assessment instruments: the Sociodemographic and Work Information Questionnaire, the Self-Report Questionnaire, the Brazilian Dysphonia Screening Tool, the Interpersonal Communication Competence Scale, and the Voice Symptom Scale. The study performed descriptive and association analyses. The measure of association was the prevalence ratio, estimated with Poisson regression with robust invariance, considering common mental disorders as a dependent variable.</div></div><div><h3>Results</h3><div>The prevalence of common mental disorders in university professors was 27.6%. There was a significant association between such disorders and self-perceived vocal complaints, the suspicion of dysphonia, and self-perceived difficulties in regards to being heard with a mask (sometimes/always). The higher the score in the self-disclosure domain of the Interpersonal Communication Competence Scale the higher the prevalence of common mental disorders in university professors.</div></div><div><h3>Conclusion</h3><div>The prevalence of common mental disorders in university professors is high and influences their self-perception of vocal symptoms and interpersonal relationships. Hence, it reinforces the need for measures to maintain university professors’ vocal and mental health.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 852.e11-852.e16"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10536804","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Role of Vibrato in Group Singing: A Systematic Review","authors":"Gerardo Acosta Martínez,&nbsp;Helena Daffern","doi":"10.1016/j.jvoice.2022.11.004","DOIUrl":"10.1016/j.jvoice.2022.11.004","url":null,"abstract":"<div><h3>Introduction</h3><div>Arguably one of the most controversial features of the singing voice, especially in a choral context, is the phenomenon of vibrato. Numerous pedagogical articles, mostly written by experienced choral singers or directors, discuss the importance of vibrato, sharing anecdotal insights about its control (often advocating reduction) in choral blend and vocal health.</div></div><div><h3>Objectives</h3><div>This systematic review aims to identify the main questions posed in the empirical study of vibrato during group singing, and how they have been addressed to date through empirical investigations.</div></div><div><h3>Methods</h3><div>The Preferred Reporting Items for Systematic Reviews and Meta-Analyses was employed for this review. The review team consisted of the two authors. A data extraction form was designed to capture information about the participants (including age, gender, music and singing experience), study methods, experimental procedures, outcome measures, and statistical findings.</div></div><div><h3>Results</h3><div>Seventeen studies were included in the review and revealed that (a) relatively few empirical investigations have studied vibrato in vocal ensembles; (b) the majority focused on vibrato production rather than perception; (c) methodological approaches include Synthesis, Multi-track recordings, Stereo/Binaural recordings, and Lx/Contact recordings; and (d) the studies focused on the main themes of Adjustment, Identification, Interaction, Intonation, and Style.</div></div><div><h3>Conclusion</h3><div>With the current body of literature, it is not possible to draw general conclusions around vibrato behavior during group singing. However, the review highlights the main subareas of interest and valuable methods which have been established and through which future research can collectively shed further light on the role of vibrato in choral singing.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 847.e21-847.e39"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10738491","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Pathological Voice Detection and Classification Based on Multimodal Transmission Network","authors":"Lei Geng ,&nbsp;Yan Liang ,&nbsp;Hongfeng Shan ,&nbsp;Zhitao Xiao ,&nbsp;Wei Wang ,&nbsp;Mei Wei","doi":"10.1016/j.jvoice.2022.11.018","DOIUrl":"10.1016/j.jvoice.2022.11.018","url":null,"abstract":"<div><h3>Objectives</h3><div><span><span>Describing pronunciation features from multiple perspectives can help doctors accurately diagnose the pathological type of a patient's voice. According to the two modal information of sound signal and electroglottography (EGG) signal, this paper proposes a pathological voice detection and </span>classification algorithm based on multimodal </span>transmission network.</div></div><div><h3>Methods</h3><div>Firstly, we used the short-time Fourier transform (STFT) to map the features of the two signals, and designed the Mel filter to obtain the Mel spectogram. Then, the constructed multimodal transmission network extracted features from Mel spectogram and applied Multimodal Transfer Module (MMTM) module. Finally, the fusion layer can integrate multimodal information, and the full connection layer diagnoses and classifies voice pathology according to the fused features.</div></div><div><h3>Results</h3><div>The experiment was based on 1179 subjects in Saarbrücken voice database (SVD), and the average accuracy, recall, specificity and F1 score of pathological voice classification reached 98.02%, 98.23%, 97.82% and 97.95% respectively. Compared with other algorithms, the classification accuracy is significantly improved.</div></div><div><h3>Conclusions</h3><div>The proposed model can integrate multiple modal information to obtain more comprehensive and stable voice features and improve the accuracy of pathological voice classification. Future research will further explore in reducing the time-consuming and complexity of the model.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 591-601"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"35210390","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Immediate Effects of Mindfulness Meditation on the Voice","authors":"Diana Rose Becker ,&nbsp;Sandeep Shelly ,&nbsp;Dio Kavalieratos ,&nbsp;Carissa Maira ,&nbsp;Amanda I. Gillespie","doi":"10.1016/j.jvoice.2022.10.022","DOIUrl":"10.1016/j.jvoice.2022.10.022","url":null,"abstract":"<div><h3>Objectives</h3><div>The benefits of mindfulness<span> meditation are well documented. This study evaluated the immediate effects of mindfulness meditation (MM) on the voice and voice user.</span></div></div><div><h3>Study design</h3><div>Prospective experimental study.</div></div><div><h3>Methods</h3><div>Participants: 19 vocally healthy (VH) individuals, and 26 individuals with common voice disorders (CVD; benign lesions and hyperfunctional muscle tension) deemed stimulable for voice therapy. Exclusionary criteria: prior training or regular meditation practice. Participants recorded speech samples before and after a 11.5-minute prerecorded session of MM. Primary outcomes: phonatory aerodynamics and participants’ self-reported experience of voice. Secondary outcomes: self-reported anxiety, vocal acoustics, speech breathing patterns, and auditory-perceptual outcomes. Baseline self-reported measures of voice (Voice Handicap Index-10 - VHI-10), breathing (Dyspnea Index – DI), stress (Perceived Stress Scale - PSS), and trait mindfulness (Cognitive and Mindfulness Scale – Revised, CAMS-R, Five Facet Mindfulness Questionnaire – FFMQ) were compared between groups.</div></div><div><h3>Results</h3><div>At baseline, CVD had significantly higher VHI-10 (<em>P</em>&lt; 0.001) and DI (<em>P</em>= 0.0014), and lower trait mindfulness (CAMS-R, <em>P</em>= 0.02). No difference between groups for PSS or FFMQ. Changes postMM: decreased CPP for all-voiced sentences for VH (<em>P</em>= 0.003), decreased mean SPL (<em>P</em>= 0.012) on sustained vowel for VH, increased mean phonatory airflow during sustained vowel for CVD (<em>P</em> = 0.012). VH demonstrated a decrease in CPP on the all-voice sentence, and CVD demonstrated an increase, resulting in a significant between group difference (<em>P</em>= 0.013). Participants reported improvements in voice, emotional and physical states. State anxiety decreased for both groups (= &lt; 0.001). No other objective outcomes reached significance.</div></div><div><h3>Conclusions</h3><div>After a brief MM, participants experienced improvement in physical, emotional, and cognitive states, and in their perceptions of their voice. Results indicate that a brief, single session of MM may be beneficial for some, but not sufficient to override habitual voice and speech patterns. Given the benefits of MM, future work should evaluate MM in a standard voice therapy protocol.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 718-727"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40707417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"TOC","authors":"","doi":"10.1016/S0892-1997(25)00142-0","DOIUrl":"10.1016/S0892-1997(25)00142-0","url":null,"abstract":"","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages i-vi"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143891481","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Standardized Behavioral Treatment Improves Chronic Cough","authors":"Eleni A. Varelas ,&nbsp;Chaewon Hwang ,&nbsp;Sarah Brown ,&nbsp;Joseph Chang ,&nbsp;Medha Sataluri ,&nbsp;Diana Kirke ,&nbsp;Mark Courey ,&nbsp;Leanne Goldberg","doi":"10.1016/j.jvoice.2022.11.017","DOIUrl":"10.1016/j.jvoice.2022.11.017","url":null,"abstract":"<div><h3>Objectives</h3><div><span>Neurogenic Laryngeal Hypersensitivity<span> (NLH) refers to a constellation of upper airway symptoms thought to be caused by a disturbance in afferent and/or efferent neural pathways creating an exaggerated hypersensitive laryngeal response. There is evidence to support behavioral therapy as treatment for improving symptoms from laryngeal </span></span>motor dysfunction<span> to sensory disturbance. This study aims to determine if there is significant symptomatic improvement in patients with NLH who received non-pharmacologic behavioral treatment performed by trained SLPs.</span></div></div><div><h3>Study design</h3><div>A retrospective review.</div></div><div><h3>Methods</h3><div>A review of all patients with NLH from 2017 to 2020 was performed at a tertiary care voice and swallowing center. Subjects with persistent symptoms despite maximal medical management were considered for inclusion. Newcastle Laryngeal Hypersensitivity Questionnaire (NLHQ) was completed by patients before and after undergoing therapy by one of three trained SLPs. Posttherapy improvement was determined by utilizing the NLHQ's minimal clinically important difference of 1.7 points.</div></div><div><h3>Results</h3><div>A total of 81 patients were included in this study. Study participants included 61 women and 20 men with an average age of 60.64±14.05 years. There was a statistically significant difference between the pre and post therapy scores amongst all patients when treated by each individual SLP and all three SLPs combined (<em>P</em> &lt; 0.008). There was a clinically significant change in 66% of all patients, 76% of which presented with abnormal NLHQ scores, and 14% who presented with normal NLHQ scores.</div></div><div><h3>Conclusions</h3><div>A standardized behavioral treatment protocol for patients with symptoms consistent with NLH is effective in improving symptoms in a large majority of patients. When following a standardized protocol SLPs can obtain similar results for their patients.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 850.e23-850.e27"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9094918","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Prevalence of Voice Problems and Associated Risk Factors Among Tamil-Speaking Imams","authors":"Thirunavukkarasu Jayakumar,&nbsp;Hasan Ali Mohamed Yasin,&nbsp;Jesnu Jose Benoy","doi":"10.1016/j.jvoice.2022.11.022","DOIUrl":"10.1016/j.jvoice.2022.11.022","url":null,"abstract":"<div><h3>Purpose</h3><div>Voice of Professional Voice Users (PVUs) are of particular interest to practicing Speech-Language Pathologists. There is a dearth of studies concerning the prevalence of voice disorders and the associated risk factors among Tamil-speaking Imams. We address this research gap using non-experimental survey research.</div></div><div><h3>Methods</h3><div>A questionnaire was framed by reviewing earlier literature. The derived questionnaire was administered to one hundred Tamil-speaking Imams actively involved in religious service in Tamil Nadu. We analyzed the obtained responses quantitatively and qualitatively. We also examined the effect of age on the prevalence of voice disorders and associated risk factors.</div></div><div><h3>Results</h3><div>Based on survey responses, the career prevalence of voice problems among Tamil-speaking Imams was as high as 89%, and the point prevalence was 64%. The general health status of the Imams were good. However, vocal health was not satisfactory. This study identified several factors that contribute to voice problems, such as constant use of loud voice, acid reflux, unhealthy vocal habits, and insufficient hydration. A positive aspect observed during this study was the absence of smoking and consumption of alcohol among Imams. Even though the Imams presented good awareness of the voice production mechanism, they reported not seeking medical help when facing a voice problem. Current findings report a minimal impact of age-related differences on associated risk factors for voice disorders among the Imams.</div></div><div><h3>Conclusions</h3><div>Voice disorders are prevalent among Tamil-speaking Imams. Several risk factors leading to voice disorders among these individuals need to be addressed.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 846.e25-846.e33"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10346094","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The Clinical Efficacy of Microsuture Technique Combined With Voice Therapy in Patients with Reinke's Edema","authors":"Zhitao Fan,&nbsp;Wenxin Dong,&nbsp;Yabo Wang,&nbsp;Jinglei Fang,&nbsp;Xuexia Wang,&nbsp;Xiaolan Zhang","doi":"10.1016/j.jvoice.2022.11.029","DOIUrl":"10.1016/j.jvoice.2022.11.029","url":null,"abstract":"<div><h3>Objective</h3><div>This study aimed to explore the clinical efficacy of the microsuture technique combined with voice therapy in patients with Reinke's edema.</div></div><div><h3>Methods</h3><div>46 patients with Reinke's edema admitted between April 2017 and August 2021 were selected and randomly divided into simple surgical and combined therapy groups. The simple surgical and combined therapy group were evaluated preoperatively and at 3 months after surgery using subjective and objective voice analysis.</div></div><div><h3>Results</h3><div>Compared with the preoperative state, there was a significant improvement in the acoustic parameters 3 months postoperatively. The G and R scores, Voice Handicap index-10 (VHI-10), and jitter parameters of the combined therapy group were lower, whereas F0 and maximum phonation time (MPT), changed significantly in the combined therapy group, fundamental frequency perturbation (jitter), and MPT acoustic parameters of the combined therapy group were lower than those of the simple surgery group (<em>P</em> &lt; 0.05).</div></div><div><h3>Conclusion</h3><div>The microsuture technique is preferable for eliminating vocal folds surgical wounds and promoting mucosal recovery, and combined with voice therapy is more helpful to comprehensive improve the quality of phonation.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 811-815"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10369272","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Semi-occluded Nasal Tract Exercises (SONTEs): Nasal Tube in Water Exercises Using Nasal Consonants","authors":"Ahmet Konrot ,&nbsp;Göksu Yılmaz ,&nbsp;Mustafa Bilgiç ,&nbsp;Büşra Çınar ,&nbsp;Ceren Söğüt","doi":"10.1016/j.jvoice.2022.11.023","DOIUrl":"10.1016/j.jvoice.2022.11.023","url":null,"abstract":"<div><h3>Objective</h3><div><span>This study analyzes the effects of the vocal exercises called semi-occluded nasal tract exercises (SONTEs), which were carried out with a new appliance that extends the </span>nasal cavity<span> as a part of the vocal tract<span>. The acoustic, aerodynamic and electroglottographic (EGG) measurements were compared with those of the traditional semi-occluded vocal tract exercises (SOVTEs) of phonation in water.</span></span></div></div><div><h3>Methods</h3><div>In this study, 34 women were randomly asked to perform phonation in water for 5 min through the nasal and oral routes with the sounds /m/ and /ɔ/, respectively, using a tube with a submersion depth of 5 cm. The acoustic, aerodynamic and EGG measurements before and after the exercises were analyzed using the appropriate statistical methods.</div></div><div><h3>Results</h3><div><span>No significant difference was found in the time and frequency domain parameters before and after the exercises, except for the amplitude perturbation quotient (APQ) values, which decreased after both exercises. In addition, there was no significant difference in any aerodynamic parameters before and after the exercises, but the mean SPL values significantly increased after both exercises. The oral and nasal peak inspiratory flow rates increased after both exercises, but the increase peaked after the SONTEs implementation. As expected, the EGG–jitter and EGG–periodicity values had a reciprocal interaction with each other, while differences were observed between the values of the </span>vocal fold movements measured in both exercises.</div></div><div><h3>Conclusions</h3><div>SONTEs may be as effective as the conventional SOVTEs because it made tube phonation into water possible through artificial extension of the nasal cavity and increased the resonant effect by using the positive effects based on the principles of SOVTEs.</div></div>","PeriodicalId":49954,"journal":{"name":"Journal of Voice","volume":"39 3","pages":"Pages 845.e1-845.e10"},"PeriodicalIF":2.5,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10423291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}