{"title":"[Usefulness of Simple Dietary Check Sheet as Screening Tool to Assess the Risk of Muscle Mass Reduction in Community-Dwelling Middle-Aged and Older Adults].","authors":"Kaori Abe, Nobuyuki Miyai, Kazufumi Terada, Miyoko Utsumi, Tatsuya Takeshita, Mikio Arita","doi":"10.1265/jjh.22007","DOIUrl":"https://doi.org/10.1265/jjh.22007","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study was to investigate the usefulness of a simple dietary check sheet to assess the risk of muscle mass reduction in middle-aged and older adults.</p><p><strong>Methods: </strong>The study participants comprised 1,272 community-dwelling individuals aged 50-89 years (mean age; 68.7 years). Bioelectrical impedance analysis was performed to estimate the appendicular skeletal muscle mass index (SMI, kg/m<sup>2</sup>). The SMIs were expressed as z-scores and adjusted for age and gender. A simple dietary check sheet was used to assess the daily intake of foods associated with maintaining muscle mass, such as meat, fish, eggs, milk, soybean products, and vegetables.</p><p><strong>Results: </strong>Individuals with reduced muscle masses (SMI z-scores < -1.0) had significantly lower intakes of meat, fish, eggs, milk, and vegetables, and a lower overall dietary intake than individuals without reduced muscle masses (SMI z-scores ≥ -1.0). Food intake score was calculated to obtain quantitative estimates of the daily intake of these foods. The scores ranged from 0 to 14, with higher scores indicating higher intakes of foods that contribute to maintaining the muscle mass. Compared with the reference group with scores of ≥ 10, the groups with lower scores were at a higher risk of muscle mass reduction. The odds ratios (95% confidence interval) of the groups with scores of 9, 8, 7, 6, and ≤ 5 were 1.15 (0.42-3.13), 2.10 (0.89-4.95), 3.64 (1.61-8.23), 4.49 (1.90-10.58), and 7.53 (3.06-18.51), respectively, after adjusting for age, gender, obesity, alcohol intake, smoking, physical inactivity, hypertriglyceridemia, diabetes mellitus, and liver dysfunction.</p><p><strong>Conclusions: </strong>As the food intake scores were significantly associated with decreased muscle mass, the proposed simple dietary check sheet may help assess the risk of muscle mass reduction in middle-aged and older adults from a nutritional perspective.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":"77 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10417905","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 Olfactory Stimulation with Vanilla Odor on Degree of Gastric Myoelectrical Activity].","authors":"Eiji Takai, Takahiro Aoyagi, Keita Ichikawa, Yasuyuki Matsuura, Fumiya Kinoshita, Hiroki Takada","doi":"10.1265/jjh.20012","DOIUrl":"https://doi.org/10.1265/jjh.20012","url":null,"abstract":"<p><strong>Objectives: </strong>Olfactory stimulation elicits various physiological responses. However, few reports exist on the changes in gastric motility during olfactory stimulation in humans. In this regard, we carried out electrogastrography (EGG) to non-invasively measure the gastric myoelectrical activity, which regulates gastric motility. Moreover, subjective sensory evaluation was performed to determine which characteristics of vanilla odor at two different concentrations affect the myoelectrical activity.</p><p><strong>Methods: </strong>The participants consisted of eight healthy young males. EGG and electrocardiography (ECG) recordings were obtained approximately 20 min prior to and during olfactory stimulation. Autonomic nervous system activity was evaluated in terms of heart rate variability (HRV) and mean heart rate (HR) from ECG signals. EGG signals were analyzed by spectral analysis. In addition, the translation error was estimated by the Wayland algorithm. Sensory evaluation was performed using the Visual Analog Scale (VAS).</p><p><strong>Results: </strong>There were no significant differences in HRV and HR values and results of spectral analyses of EGG signals in all sample presentations. The translation error of EGG signals and the rating of perceived odor intensity significantly increased in a concentration-dependent manner. There was a strong positive correlation between translation error and odor intensity.</p><p><strong>Conclusions: </strong>The correlation found between translation error and odor intensity suggests that the higher the vanilla odor intensity was perceived, the greater the randomness of EGG signals was. Our results suggest that the application of the Wayland algorithm to EGG signals can be used as an objective indicator in odor evaluation.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40312142","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":"[Development of a Risk Prediction Model and a Simple Assessment Sheet for Cold Disorder (Hiesho) in Middle-aged and Older Adults].","authors":"Kumiko Tsuji, Nobuyuki Miyai, Shunji Sakaguchi, Miyoko Utsumi, Tatsuya Takeshita, Mikio Arita","doi":"10.1265/jjh.22006","DOIUrl":"https://doi.org/10.1265/jjh.22006","url":null,"abstract":"<p><strong>Objectives: </strong>In this study, we aimed to develop a risk prediction model and a simple assessment sheet for cold disorder (hiesho) in middle-aged and older adults.</p><p><strong>Methods: </strong>The 889 participants in this study were from a community-dwelling general population (mean age, 62.4±8.8 years). The skin surface temperatures of the face and hands of the participants were measured by thermography. The cold disorder was objectively defined as having a temperature difference of ≥8°C between the forehead and fingertips. Data on the body regions with cold perception and the various concomitant signs were collected by a self-administered questionnaire and structured interviews.</p><p><strong>Results: </strong>The objectively assessed cold disorder was observed in 22.7% of participants and strongly associated with coldness of the back of the hand, palms, fingers, dorsal torso, toes, and soles of the feet. Its prevalence was found to increase with the number of signs of coldness. Older age, being female, low body mass index, hypertension, anemia, and physical inactivity were identified as potential risk factors. A logistic model for predicting the cold disorder was designed on the basis of the perceived cold, accompanying signs, and risk factors. The model showed good discrimination (area under the curve=0.737) and calibration capabilities (Hosmer-Lemeshow test, P=0.426). On the basis of this prediction model, a simple assessment sheet was developed to estimate the individual risk of experiencing the cold disorder, in middle-aged and older adults.</p><p><strong>Conclusions: </strong>With the proposed risk prediction model showing good discrimination capability, the assessment sheet may serve as a prescreening tool to evaluate the potential of middle-aged and older population to develop the cold disorder.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":"77 ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10348023","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":"[Discrimination of Chin Electromyography in REM Sleep Behavior Disorder Using Deep Learning].","authors":"Fumiya Kinoshita, Meiho Nakayama, Hiroki Takada","doi":"10.1265/jjh.20010","DOIUrl":"https://doi.org/10.1265/jjh.20010","url":null,"abstract":"<p><strong>Objective: </strong>The confirmation of abnormal behavior during video monitoring in polysomnography (PSG) and the frequency of rapid eye movement (REM) sleep without atonia (RWA) during REM sleep based on physiological indicators are essential diagnostic criteria for the diagnosis of REM sleep behavior disorder (RBD). However, no clear criteria have been established for the determination of the tonic and phasic activities of RWA. In this study, we investigated an RWA decision program that simulates visual inspection by clinical laboratory technicians.</p><p><strong>Methods: </strong>We used the measurement data of 25 men and women (average age±standard deviation: 72.7±1.7 years) who visited the Sleep Treatment Center for PSG inspection due to suspected RBD. The chin electromyography (EMG) during REM sleep was divided into 30 s intervals, and RWA decisions were made on the basis of visual inspection by a clinical laboratory technician. We compared and investigated two machine-learning methods namely support vector machine (SVM) and convolutional neural network (CNN) for RWA decisions.</p><p><strong>Results: </strong>When comparing SVM and CNN, the highest discrimination accuracy for RWA decisions was obtained when using the average rectified value (ARV) processed chin EMG images using CNN as a feature. We also estimated the prevalence of RBD on the basis of the Mahalanobis distance measure using the frequency of occurrence of both tonic and phasic activities calculated from a total of 25 subjects in the patient and healthy groups. Consequently, estimation of RBD prevalence using CNN resulted in misclassification of none of the subjects in the patient group and two subjects in the healthy group.</p><p><strong>Conclusions: </strong>In this study, we investigated the automatic analysis of PSG results focusing on RBD, which is a parasomnia. As a result, there were no misclassifications of patients in the 25 subjects in the patient or healthy groups based on the estimates of RBD prevalence using CNN. The prevalence estimation based on our proposed automated algorithm is considered effective for the primary screening for RBD.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":" ","pages":""},"PeriodicalIF":0.0,"publicationDate":"2022-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"40312143","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}
Kosuke Kawamura, Ai Nakai, Kazuko Yamada, Ikuharu Morioka
{"title":"[Trends of Implementation of Nonsmoking at Eating and Drinking Establishments One Year before and after April 2020: Consideration of the Status of Implementation of the Amendment Bill for the Health Promotion Act of Japan].","authors":"Kosuke Kawamura, Ai Nakai, Kazuko Yamada, Ikuharu Morioka","doi":"10.1265/jjh.21007","DOIUrl":"https://doi.org/10.1265/jjh.21007","url":null,"abstract":"<p><strong>Objective: </strong>In this study, we aimed to clarify the transition to the implementation of smoking prohibition at eating and drinking establishments one year before and after April 2020, the time when they became \"nonsmoking\" in principle following the implementation of the amendment bill for the Health Promotion Act of Japan.</p><p><strong>Methods: </strong>The total number of nonsmoking/smoking eating and drinking establishments by industry were obtained using the data from \"Tabelog<sup>®</sup>.\" The number of people who tested positive for COVID-19 by the polymerase chain reaction test on the day of the survey nationwide and the bankruptcy status of the companies (eating and drinking establishments, etc.) for each month were ascertained.</p><p><strong>Results: </strong>In 2020, a state of emergency was declared owing to the increase in the number of people positive for COVID-19, and many eating and drinking establishments went bankrupt. Despite these circumstances, the number of nonsmoking eating and drinking establishments exceeded that of smoking establishments in March 2020 and continued to increase thereafter. Additionally, the number of nonsmoking \"restaurants\" increased and exceeded that of smoking restaurants in June 2020. The number of nonsmoking \"cafes\" already exceeded that of smoking \"cafes\" at the beginning of this survey and continued to increase. The number of nonsmoking \"bars\" increased, but that of smoking \"bars\" remained high.</p><p><strong>Conclusion: </strong>It is necessary to promote measures against passive smoking while paying attention to the trends for different types of eating and drinking establishments, rather than considering all establishments together.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":"76 0","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39596504","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":"[Investigation of Relationships among Health Literacy, Social Determinants of Health, Menopausal Symptoms, Lifestyle-related Diseases, and Depression in Menopausal Women].","authors":"Kanae Takenaka, Hiroko Sakai","doi":"10.1265/jjh.20004","DOIUrl":"https://doi.org/10.1265/jjh.20004","url":null,"abstract":"<p><strong>Objectives: </strong>The aim of this study was to clearly identify the relationships among health literacy, social determinants of health, health behaviors, menopausal symptoms, lifestyle-related diseases, and depression in healthy menopausal women.</p><p><strong>Method: </strong>A cross-sectional study was conducted using a questionnaire among menopausal women (45 to 60 years of age) who visited a facility offering various medical checkups to receive a specific medical checkup.Logistic regression was used to analyze the association of health literacy and social determinants of health with health behaviors for 162 subjects adjusted for age. Moreover, the association of several factors (health literacy, social determinants of health, and health behaviors) with menopausal symptoms, borderline zones for lifestyle-related diseases, and depression was also analyzed in the same way.</p><p><strong>Results: </strong>It was shown that educational history was associated with smoking habit with an age-adjusted odds ratio OR of 3.23 (95% confidence interval [CI]: 1.103-9.443). It was shown that health literacy was associated with smoking habit, age-adjusted OR 4.07 (95% CI: 1.337-12.388), menopausal symptoms, age-adjusted OR 2.48 (95% CI: 1.177-5.235), and depression, age-adjusted OR 6.24 (95% CI: 2.421-16.092).</p><p><strong>Conclusion: </strong>It was found that poor health literacy was associated with smoking habit and the severity of menopausal symptoms and depression.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":"76 0","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25426968","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":"[Public Health Communication Studies in Japan].","authors":"Machi Suka","doi":"10.1265/jjh.21006","DOIUrl":"https://doi.org/10.1265/jjh.21006","url":null,"abstract":"<p><p>Public health communication is an essential component of public health activities to protect and promote the health of all people in all communities. However, research is scarce on how to communicate public health issues effectively to the Japanese population. In this article, I outline the concept of public health communication, present our study findings, and discuss future challenges to developing public health communication programs. More studies are required to establish evidence-based practical guidelines on public health communication in Japan.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":"76 0","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39194933","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":"[Relationship between Work Improvement and Work Engagement in Financial Industry: Examination Based on the Level of Sense of Coherence].","authors":"Kosuke Kawamura, Aya Shimada, Ikuharu Morioka","doi":"10.1265/jjh.21005","DOIUrl":"https://doi.org/10.1265/jjh.21005","url":null,"abstract":"<p><strong>Objective: </strong>In this study, we aimed to clarify the relationship between workplace improvement and work engagement based on the level of sense of coherence.</p><p><strong>Methods: </strong>An anonymous self-administered questionnaire survey was conducted on 1,845 regular employees in a financial industry (valid response rate, 78.5%). The questionnaire included the Japanese Sense of Coherence (SOC), Japanese Utrecht Work Engagement Scale (UWES-J), and Mental Health Improvement & Reinforcement Research of Recognition (MIRROR). Multiple linear regression analysis was performed with the total score of UWES-J as the dependent variable and the MIRROR items as the independent variables for each group with high and low SOC levels.</p><p><strong>Results: </strong>Two MIRROR items namely, \"It is easy to take a substitute vacation after work on holidays\" and \"In the workplace, the abilities and ingenuity of each person are utilized\", were the negative factors common to the two groups. On the other hand, in the low-SOC-level group, the items \"The work policy is decided in a way that everyone is satisfied with\", \"When the work breaks, I can go home without worrying about other people\", and \"The superior gives proper explanations about everything to his subordinates\" showed negative relationships. In the high-SOC-level group, \"The work environment (e.g., air conditioning and lighting) can be adjusted according to the wishes of workers\", \"No overtime day is set or utilized\", \"I am allowed to commute to work avoiding crowded times and routes\", and \"The superiors are trying to make everyone's work proceed smoothly\" showed negative relationships.</p><p><strong>Conclusions: </strong>Depending on the level of SOC, workers' desire for workplace improvement related to UWES-J scores differed.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":"76 0","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"39596907","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":"[Social Determinants of Anemia and Overweight/Obesity among Pregnant Women in Nepal].","authors":"Rina Kawata, Yoko Oda, Akiko Iwakuni, Arjun Acharya, Rajesh Adhikari, Hiroko Sakai","doi":"10.1265/jjh.20006","DOIUrl":"https://doi.org/10.1265/jjh.20006","url":null,"abstract":"<p><strong>Objectives: </strong>To identify the complex factors associated with anemia and overweight/obesity in pregnant Nepali women.</p><p><strong>Methods: </strong>This study was conducted with 609 pregnant women who visited the Western Regional Hospital in Pokhara, Nepal, for maternal health checkups. We assessed their nutritional status on the basis of their responses to a questionnaire (socio-economic, demographic and health information using the Nepali version of the 14-item Health Literacy Scale), hemoglobin levels and body mass index (BMI). Data were analyzed and adjusted for confounding factors by binomial logistic regression analysis; this aided in identifying factors associated with anemia and overweight/obesity.</p><p><strong>Results: </strong>The significant factor contributing to anemia is a low BMI (p=0.005, aOR=7.930, 95% CI=1.857, 33.870), followed by maternal age in the teens (p=0.000, aOR=3.018, 95% CI=1.852, 4.919). The significant factors contributing to overweight/obesity are household income, excluding the poorest (p=0.004, aOR=2.975, 95% CI=1.404, 6.303), followed by the presence of a nuclear family (p=0.000, aOR =2.156, 95% CI=1.493, 3.112). Functional literacy (p=0.005, aOR=1.045, 95% CI=1.013, 1.077) increases the risk of overweight/obesity, but critical literacy (p=0.009, aOR=0.819, 95% CI=0.705, 0.951) is a factor that buffers its onset.</p><p><strong>Conclusions: </strong>The association of malnutrition with anemia and overweight/obesity has been confirmed in pregnant Nepali women, indicating the urgent need for new supports and improvements to nutrition. Nutrition education should be designed to take into consideration reproductive generation, as well as families with low health literacy.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":"76 0","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25407917","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}
Kosuke Kawamura, Ai Nakai, Kazuko Yamada, Ikuharu Morioka
{"title":"[Association of Annual Transition of Implementation of Nonsmoking at Eating and Drinking Establishments with Indices on Population/Household and Economy/Labor: Examination Using Prefectural Data].","authors":"Kosuke Kawamura, Ai Nakai, Kazuko Yamada, Ikuharu Morioka","doi":"10.1265/jjh.20008","DOIUrl":"https://doi.org/10.1265/jjh.20008","url":null,"abstract":"<p><strong>Objectives: </strong>The purpose of this study was to clarify the relationship of the annual transition of implementation of nonsmoking at eating and drinking establishments with indices of population/household and economy/labor by prefecture.</p><p><strong>Methods: </strong>The prefectural rates of eating and drinking establishments implementing nonsmoking (hereafter, nonsmoking rate) were computed in a year using the data from \"Tabelog<sup>®</sup>\". Forty-seven prefectures were classified by hierarchical cluster analysis into \"prefecture clusters\" 1 to 5 in descending order of the median of nonsmoking rates. The indices of population/household (e.g., percentage of the population aged 65 years and over and percentage of nuclear family household) and economy/labor (e.g., prefectural income per capita and percentage of construction and mining workers) were classified by hierarchical cluster analysis into 11 \"index clusters\", and the representative index in each index cluster was extracted from the results of the Jonckheere-Terpstra test. An ordinal logistic regression analysis was performed using the numbers 1 to 5 of prefecture clusters as dependent variables and the indices representing the index clusters as independent variables.</p><p><strong>Results: </strong>The percentage of the population aged 65 years and over and the percentage of construction and mining workers were positively related to the order of prefectural clusters.</p><p><strong>Conclusions: </strong>To promote implementation of nonsmoking in eating and drinking establishments in prefectures especially in those with larger numbers of elderly people and construction and mining workers, it is important to inform the persons in charge that implementation of nonsmoking does not affect the number of customers.</p>","PeriodicalId":35643,"journal":{"name":"Japanese Journal of Hygiene","volume":"76 0","pages":""},"PeriodicalIF":0.0,"publicationDate":"2021-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"25427577","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}