{"title":"The relationship between sleep duration and obesity among risky drinking workers: using the Korea National Health and Nutrition Survey.","authors":"Jion Kim, Sinyoung Cho, Young Ho Yun","doi":"10.4082/kjfm.24.0205","DOIUrl":"10.4082/kjfm.24.0205","url":null,"abstract":"<p><strong>Background: </strong>The association between sleep duration and obesity risk among risky drinkers remains controversial. This study aims to investigate the relationship between adequate sleep duration and both central and overall obesity among risky drinkers in Korea, with a focus on identifying potential interventions to reduce obesity rates.</p><p><strong>Methods: </strong>We analyzed data from 978 individuals, selected from 1,356 risky drinkers-as defined by the World Health Organization criteria-who participated in the 2019-2020 Korea National Health and Nutrition Examination Survey. Participants had no missing values and were engaged in economic activities. Demographic characteristics and key variables by obesity status were examined using frequency analysis and chi-square tests. Multivariable logistic regression analysis was performed to explore the association between sleep duration and obesity. To account for the stratified sampling design, we utilized complex sample analysis with weighted values.</p><p><strong>Results: </strong>Risky drinkers with adequate sleep duration (7-9 hours) were less likely to be obese based on waist circumference (≥90 cm in males; ≥85 cm in females) (odds ratio [OR], 0.64; 95% confidence interval [CI], 0.48-0.86) and body mass index (≥25 kg/m2) (OR, 0.56; 95% CI, 0.41-0.76). Trend analysis revealed a significant inverse relationship between sleep duration and obesity likelihood (P for trend <0.05). Gender-stratified analysis demonstrated that the association was significant among males and more pronounced in risky drinkers compared to the general population.</p><p><strong>Conclusion: </strong>This study suggests that adequate sleep duration may play a key role in reducing obesity rates among Korean male risky drinkers. Further longitudinal studies are recommended to strengthen this finding.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"28-36"},"PeriodicalIF":2.6,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143803430","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Seonyoung Jeong, Yeani Choi, Hajin Kim, Sang Min Park
{"title":"One-year mortality disparities between infants of unmarried and married families in South Korea: a large scale retrospective cohort study.","authors":"Seonyoung Jeong, Yeani Choi, Hajin Kim, Sang Min Park","doi":"10.4082/kjfm.24.0226","DOIUrl":"10.4082/kjfm.24.0226","url":null,"abstract":"<p><strong>Background: </strong>This study examined disparities in 1-year mortality rates between infants born to married and unmarried single-parent families, emphasizing the need for targeted health policies.</p><p><strong>Methods: </strong>Data from 3,298,263 cases, obtained from the South Korea National Statistical Office (2010-2017), were analyzed. T-tests and chi-square tests were used to assess the demographic characteristics of the study group. The number of deaths per 1,000 live births was calculated, and logistic and multivariable logistic regressions were employed to compare infant mortality rates between family types. Additional stratified analyses, based on gestational age and birth weight, further elucidated the relationship between parental marital status and infant mortality.</p><p><strong>Results: </strong>Infants from unmarried families exhibited a 3.34-fold higher crude odds ratio (OR) for 1-year mortality (95% confidence interval [CI], 2.56-4.36; P<0.001) than that from married families. After adjusting for confounders, the adjusted OR was 1.40 (95% CI, 1.03-1.92). Stratification by gestational age and birth weight revealed crude ORs of 4.62 (95% CI, 3.34- 6.39) in non-preterm infants (≥37 weeks) and 4.76 (95% CI, 3.46-6.56) in non-low-birth-weight infants (≥2.5 kg), highlighting a more pronounced disparity in infants born at or above normal weight and full term. No significant difference (P>0.05) was found in the crude OR for 1-year mortality rates among low-birth-weight (<2.5 kg) or preterm (<37 weeks) infants between the two-family types.</p><p><strong>Conclusion: </strong>This study highlights the significant disparity in infant mortality rates based on parental marital status, underscoring the need for enhanced social support and tailored policies for unmarried single-parent families.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"46-58"},"PeriodicalIF":2.6,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144017524","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Jihoon Eor, Yaeji Lee, Yea-Chan Lee, Yu-Jin Kwon, Ji-Won Lee
{"title":"Single point insulin sensitivity estimator index is associated with predominance of atherogenic small, dense low-density lipoprotein cholesterol particles in Korean obese adults: a retrospective study.","authors":"Jihoon Eor, Yaeji Lee, Yea-Chan Lee, Yu-Jin Kwon, Ji-Won Lee","doi":"10.4082/kjfm.24.0202","DOIUrl":"10.4082/kjfm.24.0202","url":null,"abstract":"<p><strong>Background: </strong>Insulin resistance (IR) influences lipid metabolism, particularly small dense low-density lipoprotein cholesterol (sdLDL-C), a key feature of diabetic dyslipidemia and a predictor of cardiovascular disease. The single-point insulin sensitivity estimator (SPISE) index is an effective tool for assessing IR. This study explored the relationship between the SPISE index and average low-density lipoprotein cholesterol (LDL-C) particle size in obese Korean adults.</p><p><strong>Methods: </strong>Cardiovascular risk was assessed in 161 obese individuals. The participants were divided into three groups based on SPISE index tertiles. Steiger's Z test was used to assess the differences in correlation coefficients among various IR indices and average LDL-C particle size. Multivariate linear regression models were used to determine the independent association between the SPISE index and average LDL-C particle size. Receiver operating characteristic (ROC) curves established the SPISE index cut-off for sdLDL-C particle dominance.</p><p><strong>Results: </strong>The SPISE index was positively correlated with mean LDL-C particle size after adjusting for confounders. It demonstrated a stronger independent association with average LDL-C particle size (r=0.679, P<0.001) than with fasting insulin, the homeostatic model assessment for IR, and the quantitative insulin sensitivity check index (P<0.001 for all). ROC analysis identified an optimal SPISE index cutoff for sdLDL-C predominance of 4.955, with an area under the curve of 0.745.</p><p><strong>Conclusion: </strong>Our findings indicate a direct correlation between the SPISE index and average LDL-C particle size, suggesting that the SPISE index may complement labor-intensive IR indices and sdLDL-C measurement techniques for estimating IR-induced sdLDL-C predominance.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"20-27"},"PeriodicalIF":2.6,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143458606","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Tri Wurisastuti, Indri Yunita Suryaputri, Rofingatul Mubasyiroh, Wahyu Pudji Nugraheni
{"title":"Role of common mental disorders in uncontrolled hypertension: a longitudinal study in Bogor City, Indonesia.","authors":"Tri Wurisastuti, Indri Yunita Suryaputri, Rofingatul Mubasyiroh, Wahyu Pudji Nugraheni","doi":"10.4082/kjfm.24.0026","DOIUrl":"10.4082/kjfm.24.0026","url":null,"abstract":"<p><strong>Background: </strong>The coronavirus disease 2019 (COVID-19) pandemic in Indonesia has led to an increase in mental health problems, especially among those with comorbid hypertension. Uncontrolled hypertension is the primary comorbidity of COVID-19. Thus, this study aimed to determine the pattern of uncontrolled hypertension at two time points during the pandemic and to confirm its relationship with common mental disorders (CMDs).</p><p><strong>Methods: </strong>This longitudinal study was conducted at two time points (2019 and 2021), and the data of individuals with hypertension was sourced from the Bogor of Noncommunicable Diseases Risk Factors Cohort Study. Data of 1,231 respondents who met the inclusion and exclusion criteria were included in the analyses. The Self-Reported Questionnaire-20 was used to measure CMDs (score of >6). This study used a generalized estimating equation to analyze the data.</p><p><strong>Results: </strong>The percentage of those with uncontrolled hypertension increased from 57.6% to 66.4%, whereas those with CMDs increased from 6.1% to 11.5%, from 2019 to 2021. The risk of uncontrolled hypertension was higher in patients with CMDs than in those without CMDs. The risk of uncontrolled hypertension increased from twice (adjusted odds ratio [aOR], 1.57; 95% confidence interval [CI], 1.071-2.069) in 2019 to 3 times (aOR, 2.765; 95% CI, 2.243-3.287) in 2021.</p><p><strong>Conclusion: </strong>Since stress increases the risk of developing uncontrolled hypertension, individuals with hypertension must be able to manage their stress. Apropos this, the governments should provide mental health consultation services in treating patients with hypertension, especially during adverse events such as pandemics.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"81-88"},"PeriodicalIF":2.6,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144128035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Effect of saffron on premenstrual syndrome and dysmenorrhea: a systematic review and meta-analysis.","authors":"Mohammad Mehdi Mohammadi, Zohreh Karimi","doi":"10.4082/kjfm.24.0259","DOIUrl":"10.4082/kjfm.24.0259","url":null,"abstract":"<p><strong>Background: </strong>Premenstrual syndrome (PMS) and dysmenorrhea are common symptoms in women. In this study, we investigated the effects of saffron on PMS and dysmenorrhea in women.</p><p><strong>Methods: </strong>In this systematic review and meta-analysis, we comprehensively screened a range of databases, including PubMed, Web of Science, and Science Direct. We included randomized clinical trials investigating the effects of saffron on PMS or dysmenorrhea. Quality assessment of the identified studies was conducted using the Cochrane risk-of-bias assessment tool. Meta-analysis was performed using Comprehensive Meta-Analysis software ver. 2 based on the random effects model.</p><p><strong>Results: </strong>Meta-analysis revealed that saffron had a significant positive effect on the symptoms of PMS in women (standardized mean difference [SMD], -0.64; 95% confidence interval [CI], -0.84 to -0.44). Furthermore, saffron was effective in reducing dysmenorrhea (SMD, -0.51; 95% CI, -1.01 to -0.01).</p><p><strong>Conclusion: </strong>The findings of our meta-analysis indicate that saffron exerts beneficial effects on the symptoms of both PMS and dysmenorrhea in women.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"69-80"},"PeriodicalIF":2.6,"publicationDate":"2026-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145390706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Ji Hoon Jung, Ji Eun Park, Kye Yong Song, Yong Bog Kim, Soon Auck Hong
{"title":"Russell body gastritis resolved after Helicobacter pylori eradication: a case report and review of the literature.","authors":"Ji Hoon Jung, Ji Eun Park, Kye Yong Song, Yong Bog Kim, Soon Auck Hong","doi":"10.4082/kjfm.25.0117","DOIUrl":"10.4082/kjfm.25.0117","url":null,"abstract":"<p><p>Russell body gastritis (RBG) is a rare gastric inflammatory lesion characterized by dense infiltration of plasma cells containing Russell bodies (RBs) known as Mott cells. Here, we report a case of RBG that showed resolution 2 months after Helicobacter pylori eradication. A gastric biopsy revealed numerous eosinophilic globular RBs and signet ring cell-like Mott cells. H. pylori infection was identified on the surface of foveolar epithelial cells. Alcian blue staining was negative for RBs. Periodic acid-Schiff staining showed that most RBs were negative, with only a few RBs and Mott cells showing weak positivity. Immunohistochemical staining for immunoglobulin G (IgG), kappa, and lambda light chains was performed on paraffinembedded tissue. Plasma and Mott cells were positive for CD79a, CD138, IgG, kappa, and lambda. However, despite being traditionally considered as aggregates of immunoglobulin molecules, the majority of RBs are negative for IgG and light chain determinants. The marked reduction in RBs and reappearance of normal plasma cells following H. pylori eradication suggest that RB formation is a reversible and reactive process. However, the lack of staining in certain immunohistochemical analyses indicated the presence of unexpected alterations in immunoglobulin composition. The precise biochemical nature and fate of RBs warrant further investigation.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"452-457"},"PeriodicalIF":2.6,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12661185/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145081170","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Towards early detection and prevention: proactive screening strategies in primary care.","authors":"Su Hwan Cho","doi":"10.4082/kjfm.46.6E","DOIUrl":"https://doi.org/10.4082/kjfm.46.6E","url":null,"abstract":"","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":"46 6","pages":"379-380"},"PeriodicalIF":2.6,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12661189/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145635282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Usefulness of glycated albumin levels in predicting the maternal or neonatal complications of gestational diabetes mellitus during late pregnancy in South Korea: a retrospective study.","authors":"Jihan Kim, Sami Lee, Jong Sung Kim","doi":"10.4082/kjfm.24.0048","DOIUrl":"10.4082/kjfm.24.0048","url":null,"abstract":"<p><strong>Background: </strong>Gestational diabetes can lead to complications in pregnant women and neonates. Maternal glycated albumin levels during late pregnancy may help predict complications in both mothers and neonates.</p><p><strong>Methods: </strong>This study was conducted in 120 singleton pregnant women diagnosed with gestational diabetes who visited Trinium Woman's Hostipal between July 1, 2020, and June 30, 2022. In this study, the patients' medical records were retrospectively analyzed. Gestational diabetes was diagnosed using a two-step testing method, and glycated albumin tests were performed during the third trimester of pregnancy. The optimal cutoff value of glycated albumin for predicting maternal complications during pregnancy and neonatal complications was determined using the receiver operating characteristic curve.</p><p><strong>Results: </strong>A total of 45 patients developed maternal complications, with cesarean section (39 patients) due to fetal cephalopelvic disproportion being the most common. As for the neonatal complications, eight neonates were macrosomic or overweight, while 15 neonates required neonatal intensive care unit admission. Additionally, 13 patients had concurrent complications affecting both the mother and neonate. The glycated albumin level in patients with complications was 12.87%, which was significantly higher than that in patients without complications (glycated albumin, 11.67%) (P<0.001). The optimal cutoff value of glycated albumin for predicting maternal and neonatal complications was 12.45%. The sensitivity, specificity, and Youden index were 66.7 %, 86.7%, and 0.534, respectively.</p><p><strong>Conclusion: </strong>The third trimester glycated albumin test in mothers with gestational diabetes provides limited predictive value for maternal and neonatal complications.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"401-408"},"PeriodicalIF":2.6,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12661186/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622827","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sang-Hoon Lee, Seung-Soo Lee, Hun-Yi Park, Bom-Taeck Kim
{"title":"Low bone mineral density is associated with high-frequency hearing impairment in women over 50: an observational study in Korea.","authors":"Sang-Hoon Lee, Seung-Soo Lee, Hun-Yi Park, Bom-Taeck Kim","doi":"10.4082/kjfm.23.0130","DOIUrl":"10.4082/kjfm.23.0130","url":null,"abstract":"<p><strong>Background: </strong>Osteoporosis and hearing impairment are known to be associated, but specific data regarding gender, bone mineral density (BMD) measurement sites, and hearing frequency ranges remain unclear. This study aimed to clarify the relationship between hearing loss and BMD in adults over the age of 50. Additionally, the study sought to determine the frequency ranges of pure tone audiometry (PTA) related to osteoporosis, identify BMD measurement sites, and investigate gender differences.</p><p><strong>Methods: </strong>A total of 1,523 adults (651 men and 872 women) over the age of 50, who participated in a medical health check-up at a university hospital, were included. PTA was conducted to assess hearing, and BMD was measured using dual-energy X-ray absorptiometry at the lumbar vertebrae (LV) and femur.</p><p><strong>Results: </strong>In women over the age of 50, a significant association was observed between hearing impairment and osteoporosis (P<0.01), but no such association was found in men. Lumbar BMD (L1-4) in women was significantly associated with hearing loss at 4,000 and 8,000 Hz (both P<0.05), whereas femoral neck and total femur BMD showed no significant relationship. In multiple logistic regression analysis, the odds ratio (OR) between osteoporosis and hearing threshold at 4,000 Hz (OR, 2.078; 95% confidence interval [CI], 1.092-3.954) and 8,000 Hz (OR, 2.648; 95% CI, 1.543-4.544) remained statistically significant in women after adjusting for age and other risk factors.</p><p><strong>Conclusion: </strong>In women over the age of 50, low BMD at the LV is significantly associated with hearing impairment, particularly at the high frequencies of 4,000 and 8,000 Hz.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"418-425"},"PeriodicalIF":2.6,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12661194/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142622728","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"\"Doing housework with a walker? No way!\": exploring the perceptions of community-dwelling frail older adults and their informal caregivers on \"Informal Caregiver-induced Forced Immobility\".","authors":"Parvaneh Ghahremaninasab, Haidar Nadrian, Nafiseh Ghassab-Abdollahi, Parvin Sarbakhsh, Fatemeh Zarghami","doi":"10.4082/kjfm.24.0050","DOIUrl":"10.4082/kjfm.24.0050","url":null,"abstract":"<p><strong>Background: </strong>Family caregivers should focus on maintaining independence when assisting older adults with mobility. This may, however, bring about a counterproductive effect, namely Informal Caregiver-induced Forced Immobility (ICFI). This study explored the perceptions and experiences of older adults and their informal caregivers regarding ICFI.</p><p><strong>Methods: </strong>This qualitative study used a conventional content analysis approach and was conducted from January to September 2023 in Tabriz, Iran. Twenty older adults (aged 60 years and above) who had used a mobility aid, such as a cane or walker, and 14 informal caregivers were purposefully (purposive sampling) selected to participate in the study. Individual semi-structured interviews were conducted until data saturation was achieved. MAXQDA ver. 20.0 software (VERBI Software, Germany) was used to manage and analyze the data.</p><p><strong>Results: </strong>Based on the participants' perceptions, ICFI means that for an older adult, \"social interaction/social participation is limited,\" \"performing activities of daily living is disallowed,\" and \"engaging in physical activities and exercising is prohibited.\"</p><p><strong>Conclusion: </strong>Our findings revealed the concept of ICFI from various perspectives in Iranian families with older adults, leading to a clearer understanding of this phenomenon. This aspect should be considered when developing intervention strategies for the care of older adults in home and residential care settings by, health practitioners, gerontologists, and policymakers. This research can serve as a foundation for future studies to develop pertinent indicators and tools for measuring ICFI in the hope of providing sufficient evidence to support interventions that aim to prevent or stop ICFI.</p>","PeriodicalId":17893,"journal":{"name":"Korean Journal of Family Medicine","volume":" ","pages":"391-400"},"PeriodicalIF":2.6,"publicationDate":"2025-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12661184/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142308031","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}