Environmental and occupational health practice最新文献

{"title":"Occupational injuries caused by exposure to hydrogen sulfide generated by microbial activity.","authors":"Michaela Vranová, Linda Štěpánková, Ivan Kushkevych, Tomáš Vítěz, Petr Trávníček","doi":"10.1539/eohp.2025-0048","DOIUrl":"10.1539/eohp.2025-0048","url":null,"abstract":"<p><strong>Objectives: </strong>The objective of this study was to analyze the risks associated with occupational exposure to hydrogen sulfide and to identify the main factors that lead to its formation and accumulation in work environments. The study also aimed to propose measures that may reduce the frequency and severity of related incidents.</p><p><strong>Methods: </strong>The study was based on an evaluation of workplace accident records involving hydrogen sulfide and an assessment of available scientific findings on its generation, behavior, and effects on the human body. Particular focus was placed on confined or poorly ventilated spaces, where the gas is most likely to accumulate. The collected data were reviewed to identify recurring patterns and critical risk factors.</p><p><strong>Results: </strong>The analysis shows that exposure to hydrogen sulfide often leads to severe or fatal outcomes. In most fatal incidents, the presence of hydrogen sulfide was a decisive factor. High concentrations were repeatedly recorded in enclosed spaces, such as sewers, wastewater treatment facilities, and biogas plants. These incidents frequently involved rapid loss of consciousness caused by suppression of the respiratory center and the sudden loss of the ability to detect the gas by smell. Several events affected multiple workers, demonstrating a high potential for large-scale accidents.</p><p><strong>Conclusions: </strong>The findings highlight the need for improved prevention strategies in industries where hydrogen sulfide may develop. Recommended measures include the application of advanced detection technologies, improved ventilation, and stricter safety procedures. These measures may help increase awareness of the hazard and enhance the protection of workers in high-risk environments.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-07-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13612910/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149066892","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":"Association between occupational risk factors and lung function among small-scale gold miners in Mongolia: a cross-sectional study.","authors":"Densenbal Dansran, Odgerel Chimed-Ochir, Ichinnorov Dashtseren, Solongo Bandi, Garamjav Khishigdavaa, Tomohiro Ishimaru, Naidansuren Tsendeekhuu, Allabyergyen Myeryemkhaan, Batmunkh Batsan, Ankhil Lkhagvasuren, Amarbuyan Algaa, Ekaterina Fearmark, Jun Pyo Myong, Yasuo Morimoto","doi":"10.1539/eohp.2025-0046","DOIUrl":"10.1539/eohp.2025-0046","url":null,"abstract":"<p><strong>Objectives: </strong>This study aimed to assess the association between occupational risk factors and lung function among gold miners in a northern Mongolian province.</p><p><strong>Methods: </strong>A cross-sectional study was conducted among 143 gold miners in July 2024. Data were collected through structured interviews, physical examinations, chest X-rays, and spirometry. Occupational exposures included workplace type (administrative, factory, or underground), dust exposure level (low, moderate, high, based on work duration and underground working hours), and N95 mask use. Lung function outcomes were assessed using forced expiratory volume in 1 second (FEV₁), evaluated both both as an absolute value (liters) and as impaired lung function, defined by FEV₁ <80% of predicted. Multivariable logistic regression was used to examine associations with impaired lung function, and linear regression was applied to assess determinants of absolute FEV₁, adjusting for age, sex, and smoking status.</p><p><strong>Results: </strong>Among 143 workers, mean FEV₁ was 3.39 L; and 23.8% had FEV₁ <80% of predicted. No occupational exposure was significantly associated with impaired lung function (FEV₁ <80%). However, underground work was significantly associated with reduced absolute FEV₁ (β = -0.22 L; p=0.026). N95 mask use was not significantly associated with impaired lung function after adjustment.</p><p><strong>Conclusions: </strong>Early lung function decline was not captured by the standard threshold. Therefore, monitoring absolute FEV₁ may offer a more sensitive measure of early pulmonary changes among miners. Regular health monitoring and enhanced protective measures are urgently needed to prevent occupational lung diseases in resource-limited mining settings, including Mongolia and other developing countries.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13612913/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"149066592","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":"Health checkup initiatives for returning Indonesian migrant workers.","authors":"Nuri Purwito Adi, Analia Levina, Aditia Rizka Rahadi, Natasha Dianasari Devana, Muchtaruddin Mansyur, Leli Hesti Indriyati, Shigeyuki Kajiki, Masamitsu Eitoku","doi":"10.1539/eohp.2025-0044","DOIUrl":"10.1539/eohp.2025-0044","url":null,"abstract":"<p><p>Global labor mobility has intensified, positioning Indonesia as one of Japan's fastest-growing sources of migrant workers under the Technical Intern Training and Specified Skilled Worker schemes. However, the transition of health surveillance mechanisms - particularly Japan's Notebook of Personal Health Record (nPHR) - remains challenging once workers return home. We examined Indonesia's readiness to adopt a standardized returning health checkup system aligned with Japan's nPHR framework. In addition, we summarized the available resources and hospital data and analyzed policy, infrastructure, and resource preparedness across health facilities, identifying facts in standardization, financing, and specialist availability. We propose integrated digital health solutions for returning migrant workers.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13293770/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148348566","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":"Workplace destruction and mental health among local nurses 13 months after the Great East Japan Earthquake: associations with PTSD and depression.","authors":"Yoko Takahashi, Masako Kakizaki, Atsushi Sakuma, Ikki Ueda, Mikika Abe, Ayami Nagao, Hatsumi Yoshii, Hidemitsu Saito, Kazunori Matsumoto","doi":"10.1539/eohp.2025-0033","DOIUrl":"10.1539/eohp.2025-0033","url":null,"abstract":"<p><strong>Objectives: </strong>Disaster mental health research has largely focused on personal losses, while workplace-related losses remain underexplored. The Great East Japan Earthquake of 2011 caused widespread devastation, including hospital destruction. This study examined the association between workplace destruction, posttraumatic stress disorder (PTSD), and depression among local nurses 13 months after the disaster.</p><p><strong>Methods: </strong>A cross-sectional survey was conducted with 414 nurses working in coastal Miyagi Prefecture at the time of the earthquake (response rate: 87.5%). PTSD and depression were assessed using the PTSD Checklist-Specific Version (PCL-S) and the Patient Health Questionnaire-9 (PHQ-9). Group differences were analyzed using the chi-square and t-tests. Logistic regression models estimated odds ratios (ORs) for workplace destruction after adjusting for age, work role, and disaster-related personal factors.</p><p><strong>Results: </strong>The prevalence of probable PTSD and depression were 11.7% and 24.6%, respectively. Nurses from tsunami-destroyed hospitals showed higher crude prevalence of severe symptoms. Workplace destruction demonstrated elevated odds in the baseline models; however, after full adjustment for personal and reconstruction-related burdens, the magnitude of the association was attenuated, and confidence intervals indicated statistical uncertainty. Family member death or missing status remained the strongest independent correlate of severe PTSD (adjusted OR 5.4; p<0.001).</p><p><strong>Conclusions: </strong>Workplace destruction was associated with adverse mental health outcomes in the crude analyses, but its independent contribution diminished after accounting for cumulative personal and disaster-related burdens. These findings suggest that long-term mental health vulnerability among disaster-exposed nurses reflects complex interactions between occupational disruption and personal loss rather than structural workplace damage alone.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13293781/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148348517","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":"The notebook of personal health record system in Japan: framework of post-retirement health checkups for those formerly employed in hazardous occupations.","authors":"Masamitsu Eitoku, Naw Awn J-P, Leli Hesti Indriyati, Bijay Maharjan, Lincoln Tsuyoshi Sato, Kahoko Yasumitsu-Lovell, Takeshi Murakami, Hitomi Kanayama, Toru Yoshikawa, Shigeyuki Kajiki, Taro Tamura, Narufumi Suganuma","doi":"10.1539/eohp.2025-0053","DOIUrl":"10.1539/eohp.2025-0053","url":null,"abstract":"<p><strong>Objective: </strong>Japan is seeing a rapid increase in the numbers of migrant workers from Asian countries amidst a rapidly aging population and declining birthrate. The notebook of personal health record (nPHR) system is a Japanese occupational health service that supports those formerly employed in hazardous work, including migrant workers. This review outlines the structure, scale, and importance of the nPHR scheme and explores Japanese medical institutions that conduct health checkups for former workers with nPHR, offering insights into the potential applicability of similar systems in migrant workers' home countries.</p><p><strong>Methods: </strong>Information on Japanese and international laws and Japanese statistical data was obtained from government websites. Studies of workers with nPHRs were reviewed using the ICHUSHI database.</p><p><strong>Results: </strong>This review outlines the nPHR scheme established under Japanese legislation, summarizing its framework, issuance requirements, and post-retirement health checkups for 15 designated agents/works. In terms of scale, a gradual decline in newly issued nPHRs for major agents/works has been observed in recent years. The system's importance is highlighted through a review of studies involving former workers with nPHRs and an international comparison of post-retirement health checkup systems.</p><p><strong>Conclusion: </strong>Because of the relatively small number of patients with nPHRs, public hospitals are candidates that could be contracted as medical institutions in migrant workers' home countries. Over the past 2 decades, three additional agents/works have been included in the system, and the requirements for asbestos-related nPHRs have been expanded, indicating that the system is actively adapting to evolving occupational health needs.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-06-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13293776/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148348574","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":"Evaluating 360-degree virtual reality live streaming for remote workplace inspections: a cross-sectional pilot study.","authors":"Hajime Ando, Shizuka Kurosaki, Yuta Akiyama, Ryutaro Matsugaki, Akira Ogami","doi":"10.1539/eohp.2025-0028","DOIUrl":"10.1539/eohp.2025-0028","url":null,"abstract":"<p><strong>Objective: </strong>In Japan, occupational health physicians are required to conduct workplace inspections to assess health hazards, but resource constraints pose challenges. Although certain physician duties, such as worker interviews, can be remotely performed under specific conditions, workplace inspections must still be conducted in person. We evaluated the feasibility of virtual reality (VR) live streaming in 360-degree video as a potential solution, addressing prior limitations, such as restricted viewing angles and transmission delays.</p><p><strong>Methods: </strong>A cross-sectional experimental study was conducted in a simulated factory environment with four occupational health physicians. Three conditions were assessed: (1) on-site inspection with remote VR guidance, (2) remote VR viewing of on-site filming, and (3) remote personal computer (PC) viewing of on-site filming. A 360-degree camera (RICOH THETA X) and VR headset (Meta Quest 2) were used for 4K live streaming at 5 fps.</p><p><strong>Results: </strong>Video latency was reduced to 1-3 s, markedly improved from 15 s in prior studies. Visual acuity decreased to 0.1-0.2 for all participants when using VR. Participants identified an average of 21.0 inspection points (out of 25) using VR headset compared with 19.25 via PC.</p><p><strong>Conclusions: </strong>VR live streaming is a viable approach for remote workplace inspections. Although reduced visual acuity remains a limitation, it may help balance workplace visibility with confidentiality. However, environmental factors, such as noise, odor, temperature, humidity, and glare, were not adequately represented, necessitating the use of supplementary measurement tools. Further research is needed to evaluate its applicability across diverse settings and long-term effectiveness.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-05-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13293777/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148348560","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 the Brief Job Stress Questionnaire to identify employees at risk of depression in the Japanese Stress Check Program: a large-scale cross-sectional study.","authors":"Akizumi Tsutsumi, Keiichi Matsuzaki, Reiko Inoue, Yasuhiro Sekine, Naoki Kikuchi, Kazuhiro Watanabe","doi":"10.1539/eohp.2025-0034","DOIUrl":"10.1539/eohp.2025-0034","url":null,"abstract":"<p><strong>Objectives: </strong>The Japanese National Stress Check Program recommends the Brief Job Stress Questionnaire (BJSQ) for annual psychosocial assessments in the workplace. We examined the performance of this instrument in screening depression.</p><p><strong>Methods: </strong>We conducted an online cross-sectional study involving 25,000 employees in October 2024. Participants completed the BJSQ and the nine-item Patient Health Questionnaire (PHQ-9). We conducted receiver operating characteristic curve analyses to estimate the screening performance of the BJSQ cutoff points recommended in the Stress Check Program manual.</p><p><strong>Results: </strong>The prevalence of workers with potential depression (PHQ-9 score ≥10) was 25.9%. The prevalence of \"high-risk\" employees defined using the BJSQ criteria recommended in the Program manual was 18.8%, with sensitivity of 50.9%, specificity of 92.4%, Youden index of 0.433, area under the curve of 0.716, positive predictive value of 70.0%, negative predictive value of 84.8%, and positive and negative likelihood ratios of 6.7 and 0.5, respectively.</p><p><strong>Conclusion: </strong>Identifying \"high stress\" employees as per the Stress Check Program manual recommendation is informative to screen employees with potential depression provided that appropriate follow-up is undertaken. When using this information, practitioners should consider its limitations as a screening tool.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13293775/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148348572","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":"Associations between cognitive and personality traits and work productivity loss in desk workers with low back pain: a cross-sectional study.","authors":"Takahiro Miki, Ryo Shiraishi, Yuta Hagiwara","doi":"10.1539/eohp.2025-0025","DOIUrl":"10.1539/eohp.2025-0025","url":null,"abstract":"<p><strong>Objectives: </strong>This study investigated the associations between cognitive and personality traits and work productivity loss among desk workers with low back pain (LBP).</p><p><strong>Methods: </strong>A cross-sectional study was conducted among 2,223 corporate employees in Japan. Participants completed an online questionnaire assessing work productivity (quantity-quality method), pain intensity (numerical rating scale), disability (Roland-Morris Disability Questionnaire), beliefs about LBP (Back Beliefs Questionnaire), and personality traits (Ten Item Personality Inventory). Multiple linear regression analysis examined factors associated with productivity loss. To confirm robustness, a sensitivity analysis was performed limited to participants who identified LBP as the primary cause of their productivity loss.</p><p><strong>Results: </strong>Among the participants, 1,201 (54.0%) reported LBP. Regression analysis indicated that beliefs about LBP (β=-0.40, p=0.011), conscientiousness (β=-0.99, p=0.006), neuroticism (β=1.02, p=0.007), and age (β=-0.18, p=0.002) were significantly associated with work productivity loss. Pain intensity (p=0.139) and functional disability (p=0.574) were not significantly associated with productivity loss. These findings were consistent in the sensitivity analysis, where pain intensity remained unrelated to productivity loss.</p><p><strong>Conclusions: </strong>Psychological and cognitive factors, particularly beliefs about LBP and personality traits, may have a stronger impact on work productivity than physical symptoms among desk workers. Interventions focusing on cognitive restructuring and personality-tailored strategies are necessary to mitigate productivity losses.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13293773/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148348601","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":"Development of easy-to-notice nurse call with low stress: a pilot study using heart rate variability.","authors":"Mako Katagiri, Masao Ohira, Yoshiaki Sakurai","doi":"10.1539/eohp.2025-0010","DOIUrl":"10.1539/eohp.2025-0010","url":null,"abstract":"<p><strong>Objectives: </strong>This study evaluated sounds used in nurse call (NC) systems to reduce stress in the nursing work environment by developing low-stress NCs.</p><p><strong>Methods: </strong>Participants' noticeability and stress were evaluated based on their heart rate variability while listening to nine types of test sounds, including two existing NCs. Next, a new NC was extracted from the test sounds and was verified in the field as a replacement for the tremolo sound (tremolo), which has a negative impression.</p><p><strong>Results: </strong>Tremolo was the most noticeable. However, this sound generates the highest cardiac sympathetic index (CSI), which is an index of stress-related sympathetic nerve activity. Therefore, we extracted a C sound (C6 + G#6), which is the second most noticeable sound after tremolo. The new sound was introduced into a NC system, and the CSI of nurses on duty was analyzed. We noticed that the C sound was less stressful than tremolo.</p><p><strong>Conclusions: </strong>The findings suggest that an improvement in the NC sound quality may lead to reduced stress among nurses in the work field.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13293778/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148348519","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":"Improvement of handling occupational health records and clinical records of employees at an in-house clinic.","authors":"Kimiyo Mori, Chikara Kadoya, Kotaro Ishizuka, Chikage Nagano, Seichi Horie","doi":"10.1539/eohp.2025-0036","DOIUrl":"https://doi.org/10.1539/eohp.2025-0036","url":null,"abstract":"<p><p>Under Japanese law, employers are required to manage health information related to occupational health. This report describes improvements in health information management at an in-house clinic that provides both general medical care and occupational health services. Initially, the workplace lacked formal regulations for handling health information, and the scope of data and responsible personnel were unclear. Health records were categorized by type and fiscal year, making it difficult for occupational health physicians to assess individual workers' health status. Moreover, medical and occupational health information were mixed, raising concerns about unintended disclosure of personal medical data to the employer. To solve these issues, a health information management regulation was established. Records were reorganized to link data to individual employees, and medical information was clearly separated from occupational health data. These changes enabled more secure and appropriate occupational health services and supported the employer's legal duty to ensure worker safety. This case highlights the importance of structured health information management in workplaces where clinical and occupational health services coexist. Clarifying data handling responsibilities and separating sensitive information are essential for protecting employee privacy and improving the effectiveness of occupational health practices.</p>","PeriodicalId":520443,"journal":{"name":"Environmental and occupational health practice","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2026-03-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13293772/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"148348549","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}