Zhonghua er ke za zhi = Chinese journal of pediatrics最新文献

{"title":"[Epidemiological investigation of iron deficiency among preschool children in 10 provinces, autonomous regions, or municipalities in China].","authors":"L. Wang, J. Shao, W. W. Dong, S. S. Zheng, B. Q. Zhu, Q. Shu, W. Chen, L. C. Fan, J. Sun, Y. Gao, Y. Hu, N. R. Wang, Z. H. Wang, T. T. Niu, Y. Luo, J. Gao, M. L. Tong, Y. Hu, W. Xiang, Z. Y. Zhao, M. Mao, F. Jiang","doi":"10.3760/cma.j.cn112140-20240131-00086","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20240131-00086","url":null,"abstract":"Objective: To understand the current status of anemia, iron deficiency, and iron-deficiency anemia among preschool children in China. Methods: A cross-sectional study was conducted with a multi-stage stratified sampling method to select 150 streets or townships from 10 Chinese provinces, autonomous regions, or municipalities (East: Jiangsu, Zhejiang, Shandong, and Hainan; Central: Henan; West: Chongqing, Shaanxi, Guizhou, and Xinjiang; Northeast: Liaoning). From May 2022 to April 2023, a total of 21 470 children, including community-based children aged 0.5 to<3.0 years receiving child health care and kindergarten-based children aged 3.0 to<7.0 years, were surveyed. They were divided into 3 age groups: infants (0.5 to<1.0 year), toddlers (1.0 to<3.0 years), and preschoolers (3.0 to<7.0 years). Basic information such as sex and date of birth of the children was collected, and peripheral blood samples were obtained for routine blood tests and serum ferritin measurement. The prevalence rates of anemia, iron deficiency, and iron-deficiency anemia were analyzed, and the prevalence rate differences were compared among different ages, sex, urban and rural areas, and regions using the chi-square test. Results: A total of 21 460 valid responses were collected, including 10 780 boys (50.2%). The number of infants, toddlers, and preschoolers were 2 645 (12.3%), 6 244 (29.1%), and 12 571 (58.6%), respectively. The hemoglobin level was (126.7±14.8) g/L, and the serum ferritin level was 32.3 (18.5, 50.1) μg/L. The overall rates of anemia, iron deficiency, and iron-deficiency anemia were 10.4% (2 230/21 460), 28.3% (6 070/21 460), and 3.9% (845/21 460), respectively. The prevalence rate of anemia was higher for boys than for girls (10.9% (1 173/10 780) vs. 9.9% (1 057/10 680), χ2=5.58, P=0.018), with statistically significant differences in the rates for infants, toddlers and preschoolers (18.0% (475/2 645), 10.6% (662/6 244), and 8.7% (1 093/12 571), respectively, χ2=201.81, P<0.01), and the rate was significantly higher for children in rural than that in urban area (11.8% (1 516/12 883) vs. 8.3% (714/8 577), χ2=65.54, P<0.01), with statistically significant differences in the rates by region (χ2=126.60, P<0.01), with the highest rate of 15.8% (343/2 173) for children in Central region, and the lowest rate of 5.3% (108/2 053) in Northeastern region. The prevalence rates of iron deficiency were 33.8% (895/2 645), 32.2% (2 011/6 244), and 25.2% (3 164/12 571) in infants, toddlers, and preschoolers, respectively, and 30.0% (3 229/10 780) in boys vs. 26.6% (2 841/10 680) in girls, 21.7% (1 913/8 821), 40.0% (870/2 173), 27.1% (2 283/8 413), 48.9% (1 004/2 053) in Eastern, Central, Western, and Northeastern regions, respectively, and each between-group showed a significant statistical difference (χ2=147.71, 29.73, 773.02, all P<0.01). The prevalence rate of iron-deficiency anemia showed a significant statistical difference between urban and rural areas, 2.9% (251/8 ","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140698531","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":"[Metagenomic next-generation sequencing-based retrospective investigation of the drug resistance sites of mycoplasma pneumoniae in children].","authors":"Q. Wang, J. H. Yang, X. Chen, Y. J. Zhang, X. Y. Zhu, X. F. Li, J. Su, C. R. G. Sa, B. Yang, G. P. Lu, Y. Xu","doi":"10.3760/cma.j.cn112140-20240105-00019","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20240105-00019","url":null,"abstract":"Objective: To analyze the drug-resistant gene loci of Mycoplasma pneumoniae (MP) using metagenomic next-generation sequencing (mNGS). Methods: From November 2022 to October 2023, 697 clinical samples (including sputum, alveolar lavage fluid and blood) of 686 children with Mycoplasma pneumoniae positive detected by mNGS were retrospectively analyzed. Samples were divided into intensive care unit (ICU) group and non-ICU group, Chi-square test was used to compare groups, and Mann-Kendall trend test was used to analyze the change trend of the detection rate of drug resistance gene loci over time. Results: Of the 697 samples, 164 were from the ICU group and 533 were from the non-ICU group. The detection rate of Mycoplasma pneumoniae resistance gene was 44.3% (309/697), and all detected drug-resistant gene loci of MP were A2063G. The detection rate of Mycoplasma pneumoniae in ICU group was 50.0% (82/164), and the detection rates of Mycoplasma pneumoniae resistance gene loci in sputum, alveolus lavage fluid and blood samples were 75.0% (18/24) and 48.4% (62/128), respectively. The detection rate in sputum was higher than alveolus lavage fluid samples (χ2=5.72,P=0.017). The detection rate of Mycoplasma pneumoniae in non-ICU group was 42.6% (227/533), the detection rate of Mycoplasma pneumoniae resistance gene loci in sputum and alveolar lavage fluid was 40.0% (16/40), 44.3% (201/454), and no detection rate in blood samples (0/12). There was no significant difference in the detection rate of alveolar lavage fluid and sputum (χ2=0.27, P=0.602). From November 2022 to October 2023, the detection rate of submitted samples showed an increasing trend month by month (overall: Z=3.99, ICU inspection group: Z=2.93, non-ICU group: Z=3.01, all P<0.01). Among the bacteria commonly detected with Mycoplasma pneumoniae, Streptococcus pneumoniae accounted for the highest proportion, the detection rate was 15.5% (108/697), and Epstein-Barr virus accounted for the highest proportion of 17.6% (123/697). Conclusions: From November 2022 to October 2023, the detection rate of Mycoplasma pneumoniae drug resistance gene loci showed an increasing trend. The detection rate of drug resistance gene loci in sputum samples of ICU group was higher than alveolus lavage fluid. No new drug resistance site were detected.","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140695919","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":"[Advances on treatment of pediatric acute lymphoblastic leukemia with blinatumomab].","authors":"D. Wang, C. Zhao, X. J. Xu","doi":"10.3760/cma.j.cn112140-20231116-00375","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20231116-00375","url":null,"abstract":"\u0000 贝林妥欧单抗是一种同时靶向CD3和CD19的双特异性抗体，能激活内源性T细胞杀伤B系肿瘤细胞。自2014年美国食品药品监督管理局批准用于治疗复发难治性急性淋巴细胞白血病（ALL）以来，临床应用广泛，应用的指征不断前移，疗效和安全性均较好。在儿童白血病领域，除复发难治性ALL外，目前已经用于微小残留病阳性ALL的治疗以及高危ALL的一线治疗，同时也用于化疗不耐受患儿的治疗，并可桥接造血干细胞移植。本文就贝林妥欧单抗在儿童ALL治疗方面的临床研究进展进行综述。.\u0000","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140695470","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":"[Expert consensus on the definition, diagnosis, assessment and intervention of cerebral visual impairment in children(2023)].","authors":"","doi":"10.3760/cma.j.cn112140-20240112-00043","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20240112-00043","url":null,"abstract":"\u0000 脑源性视觉障碍是一组由中枢视觉通路受损导致的视觉功能障碍症候群。脑源性视觉障碍对儿童的运动、认知等方面影响深远，早发现、早干预至关重要。基于临床实践的迫切需要，中华医学会儿科学分会康复学组和眼科学组组织国内相关专家联合制订“儿童脑源性视觉诊断与治疗专家共识（2023）”，对儿童脑源性视觉障碍的定义、评估、诊断及治疗提出了15条推荐意见。.\u0000","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140696192","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":"[Significance of brain science research from pediatric perspectives].","authors":"S. Z. Dong, F. Jiang","doi":"10.3760/cma.j.cn112140-20240311-00168","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20240311-00168","url":null,"abstract":"\u0000 随着全球各国启动了脑研究计划，胚胎期至儿童期这一大脑发育关键阶段的研究逐渐成为脑科学研究的重要任务之一。本文从儿科临床视角，通过目前脑科学研究中儿童脑智发育规律、脑疾病相关研究以及脑科学研究技术在儿童中的应用3个层面，论述儿童脑科学研究的重要意义。.\u0000","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140696959","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":"[Expert consensus on clinical application management standards of endoscopic retrograde cholangiopancreatography in children (2024)].","authors":"","doi":"10.3760/cma.j.cn112140-20231128-00392","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20231128-00392","url":null,"abstract":"\u0000 经内镜逆行胰胆管造影术（ERCP）逐步成为儿童胆胰疾病的重要诊治手段。我国儿童ERCP临床应用尚处于起步阶段，临床经验有待于进一步积累，应用技术需要进一步规范。中华医学会儿科学分会消化学组、国家儿童健康与疾病临床医学研究中心儿童消化疾病诊治协同创新联盟及中华儿科杂志编辑委员会牵头组织相关专家制订了“儿童经内镜逆行胰胆管造影术临床应用管理规范专家共识（2024）”，旨在规范儿童ERCP的临床应用和技术推广，减少或避免并发症，提高儿童胆胰疾病的诊疗水平。.\u0000","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140696856","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":"[A case of childhood Behcet's disease with multiple arterial vascular lesions as the first manifestation].","authors":"L. Wang, A. L. Ma, H. Zhang, L. Y. Ma, J. Lai","doi":"10.3760/cma.j.cn112140-20231030-00335","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20231030-00335","url":null,"abstract":"\u0000 患儿　女，11岁3月龄，因反复下肢疼痛3个月入院，病程期间出现口腔溃疡、眼部溃疡及便血现象。血管彩色多普勒超声示左侧锁骨下动脉近心段管壁增厚，下肢动脉彩色多普勒超声示双侧股动脉局部管壁增厚，双侧胫后动脉中远段重度狭窄伴节段性闭塞，双侧胫前动脉狭窄可能。电子结肠镜检查示回肠末端、盲肠及乙状结肠、直肠黏膜血水肿，散在多发糜烂和浅溃疡形成。给予醋酸泼尼松片及环磷酰胺，3周后双下肢疼痛缓解，可正常行走，足部溃疡逐渐好转，随访1年后全身血管超声均未见异常。.\u0000","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140698131","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":"[Analysis of efficacy and prognosis of allogeneic hematopoietic stem cell transplantation for the treatment of combined immunodeficiency].","authors":"P. Wang, X. Qian, W. Jiang, H. Wang, J. Hou, J. Sun, X. C. Wang, X. Zhai","doi":"10.3760/cma.j.cn112140-20230815-00105","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20230815-00105","url":null,"abstract":"Objective: To evaluate the efficacy of allogeneic hematopoietic stem cell transplantation for the treatment of combined immunodeficiency (CID) and explore prognostic risk factors. Methods: In this retrospective cohort study, clinical characteristics, laboratory tests and prognosis of 73 CID children who underwent allogeneic hematopoietic stem cell transplantation from February 2014 to April 2022 in the Children's Hospital of Fudan University were analyzed. Based on the subtypes of diseases, all patients were divided into severe combined immunodeficiency disease (SCID) group and other CID group. Based on the types of donors, all patients were divided into matched sibling donor group, matched unrelated donor group, unrelated cord blood group, and haploidentical donor group. Kaplan-Meier method and Log-Rank test were used to analyze the survival data. Cox regression was used to analyze prognostic factors. Results: Among the 73 patients, there were 61 (84%) males and 12 (16%) females. Fifty-five (75%) patients were SCID, and 18 (25%) patients were other CID. Donor source included 2 (3%) matched sibling donors (MSD), 3 (4%) matched unrelated donors (MUD), 64 (88%) unrelated cord blood (UCB), and 4 (5%) haploidentical donors. The age at transplant was 10.7 (5.9, 27.5) months, and the follow-up time was 36.2 (2.5, 62.9) months. The 3-year overall survival rate of 73 patients with CID was (67±6) %. No significant difference was found in the 3-year overall survival rates between patients with SCID (55 cases) and other CID (18 cases) ((64±7) % vs. (78±10) %, χ2=1.31, P=0.252). And no significant difference was found in the 3-year overall survival rates among patients who received MSD or MUD (5 cases), UCB (64 cases), and haploidentical donor (4 cases) transplant (100% (66±6)% vs. (50±25) %, χ2=2.30, P=0.317). Cox regression analysis showed that the medical history of sepsis (HR=2.55, 95%CI 1.05-6.20, P=0.039) and hypoalbuminemia at transplant (HR=2.96, 95%CI 1.14-7.68, P=0.026) were independent risk factors for the prognosis of allogeneic hematopoietic stem cell transplantation in pediatric patients with CID. Conclusions: Allogeneic hematopoietic stem cell transplantation is an effective treatment for CID. The medical history of sepsis and hypoalbuminemia at transplant were risk factors for prognosis. Enhancing infection prevention and nutritional intervention before transplant can improve patient prognosis.","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140697762","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":"[Reference values of skeletal muscle mass for children in Nanjing area].","authors":"M. Y. Cao, W. Yan, Y. N. Shi, L. T. Peng, M. Zhao, L. Wang, X. N. Li","doi":"10.3760/cma.j.cn112140-20240109-00036","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20240109-00036","url":null,"abstract":"Objective: To establish the reference values and growth curves of skeletal muscle mass among children in the Nanjing area. Methods: A cross-sectional study was conducted with children who underwent physical examination at the Department of Child Health Care, Children's Hospital of Nanjing Medical University from 2020 January to 2022 September. Their height, weight, body fat mass and skeletal muscle mass were measured. Body mass index, percentage of body fat mass, percentage of skeletal muscle mass, relative skeletal muscle mass index and the ratio of skeletal muscle to body fat were calculated. The associations between skeletal muscle mass indices and physical measurements index were analyzed through the Spearman correlation test. The Mann-Kendall test was used to assess the trend for skeletal muscle mass. Generalized additive models for location, scale and shape were used to construct percentile reference values and growth curves of male and female skeletal muscle mass indices at different ages. Results: A total of 32 690 children aged 4-14 years were enrolled in this study, including 19 912 boys (60.91%). Skeletal muscle mass, percentage of skeletal muscle mass, relative skeletal muscle mass index and the ratio of skeletal muscle to body fat of boys and girls was 11.10 (8.40, 14.90) and 10.30 (7.90, 13.20) kg, 40.36% (37.01%, 43.13%) and 39.38% (36.43%, 41.88%), 6.70 (6.07, 7.52) and 6.33 (5.79, 7.00), 2.39 (1.46, 3.47) and 2.14 (1.45, 3.00) kg/m2, respectively. Skeletal muscle mass of both boys and girls was all positively associated with weight (r=0.97, 0.96), body mass index (r=0.68, 0.63) and percentage of body fat mass (r=0.40, 0.43) (all P<0.01). The reference values and growth curves showed that the percentage of skeletal muscle mass P50 ranged from 37.75%-44.61% in boys and from 36.22%-40.55% in girls. The relative skeletal muscle mass index P50 ranged from 5.80-9.68 kg/m2 in boys and from 5.57-7.98 kg/m2 in girls. The ratio of skeletal muscle to body fat P50 ranged from 1.86-2.67 in boys and from 1.29-2.41 in girls. There was an increasing trend with age for both boys and girls in the growth of skeletal muscle mass (Z=4.20, 3.75, both Ptrend<0.01), and increased slightly before 9 years of age and then increased rapidly until 14 years of age in both boys and girls. Conclusions: The skeletal muscle mass indices change with age and gender during childhood. Percentile reference values for pediatric skeletal muscle mass indices can be used to evaluate the muscular growth and development in children in the Nanjing area.","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140697089","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":"[Application progress of renal organoids in inherited kidney diseases].","authors":"J. Min, Q. Fu, H. Wang","doi":"10.3760/cma.j.cn112140-20231111-00360","DOIUrl":"https://doi.org/10.3760/cma.j.cn112140-20231111-00360","url":null,"abstract":"\u0000 二代测序技术的成熟与广泛应用，提高了临床医生对遗传性肾脏病的诊断能力，但由于缺乏准确模拟人类肾脏疾病的体外模型，靶向治疗相关研究进展缓慢。利用人类诱导多能干细胞（hiPSC）开发类器官的技术为研究人类肾脏发育、模拟疾病过程及新药的临床前验证开辟了新的途径。本文通过介绍并比较hiPSC定向分化肾脏类器官的不同方法，总结肾脏类器官在遗传性疾病中的应用及研究进展，评价肾脏类器官发展所面临的挑战与局限性，为肾脏类器官在遗传性疾病中的研究和临床应用提供思路。.\u0000","PeriodicalId":23998,"journal":{"name":"Zhonghua er ke za zhi = Chinese journal of pediatrics","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2024-04-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140696824","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}