1Expert consensus on prevention and treatment of hyperammonemia and metabolic crisis caused by organic acidemiasProfessional Committee on Pediatric Food-Medicines Homology & Metabolic Intervention,China Maternal and Child Health Association, The Branch of Birth Defects Prevention and Molecular Genetics,China Maternal and Child Health Association, Rare Diseases Society,Beijing Medical Association, YANG Yan-ling, QIU Wen-juan, YANG Ru-laiGUIDELINES,STANDARDS AND CONSENSUS353-3602Thoughts and opinions on prevention and treatment of respiratory infectious diseases in childrenLIU Han-min, SHEN Kun-ling, HONG Jian-guoEDITORIAL361-3663Characteristics and early Intervention strategies of childhood vitiligoGUAN Zhi-wei, LI Qin-fengEDITORIAL367-3714Epidemiological characteristics and pathogenic mecha-nisms of vitiligo in children and adolescentsLIU Hai-fei, GAO YingDiagnosis and treatment of childhood vitiligo372-3765Diagnosis and differential diagnosis of vitiligo in childrenWANG Ying, CHEN Li-xin, LI Qin-fengDiagnosis and treatment of childhood vitiligo377-3806Progress of topical treatment for vitiligo in childrenLIN Yang-yang, LI Qin-fengDiagnosis and treatment of childhood vitiligo381-3857Systemic treatment of vitiligo in childrenSHU Hong, ZHOU Rui-xin, LI YanDiagnosis and treatment of childhood vitiligo385-3898Ultraviolet phototherapy and combination therapy for childhood vitiligoYAO Lei, LI Shan-shanDiagnosis and treatment of childhood vitiligo390-3939Surgical treatment of childhood vitiligoLI Jian, LI Yan-bo, WU Wen-yuDiagnosis and treatment of childhood vitiligo394-39710Diagnosis and treatment ideas for childhood vitiligo from the perspective of traditional Chinese medicineYANG Ming, LI Yuan-li, GAO Ying, WANG PingDiagnosis and treatment of childhood vitiligo397-40011Analysis of risk factors for death in surgical treatment for neonatal necrotizing enterocolitisQIAN Li-dan, SUN Wen-qiang, JIN Xin-yun, ZHU Xue-pingORIGINAL CONTRIBUTION401-40612A nomogram for predicting GFR decline in children with Henoch-Schönlein purpura nephritisLI Yan, YUAN Ting-ting, ZHOU Su-qin, WANG Qing-qing, LU Qian, YANG Huan-dan, SHANG Qiao-yu, ZHANG Rui-FengORIGINAL CONTRIBUTION407-41213Correlation between p38MAPK level and Th1 and Th2 cytokines in RSV infectionPENG Li, ZHONG Li-li, LI Fang-caiORIGINAL CONTRIBUTION413-417,43614Update on the pathogenesis of IgA vasculitis in childrenJIN Yan-yan, LIN Qian, HE Xue, MAO Jian-hua, FU Hai-dongREVIEW418-42415Research progress on the etiology of Kawasaki diseaseGU Xin-yu, GONG Fang-qiREVIEW425-43216A novel mutation in the CUL7 gene causing 3-M syndrome:a case reportPENG Hang-hang, SUN Wen-qiang, ZHU Xue-pingCASE REPORT433-43617Chronic recurrent multifocal osteomyelitis in an adolescent:a case reportGUO Wang-rong, ZHANG Xiu-ying, DONG Han-yuCASE REPORT437-440 