[1] Sichuan Univ, West China Hosp 2, Evidence Based Pharm Ctr, Dept Pharm, Chengdu, Sichuan, Peoples R China
[2] Sichuan Univ, Key Lab Birth Defects & Related Dis Women & Child, Minist Educ, Chengdu, Sichuan, Peoples R China
[3] Sichuan Univ, West China Sch Publ Hlth, Dept Epidemiol, Chengdu, Sichuan, Peoples R China
[4] Sichuan Univ, West China Hosp 4, Chengdu, Sichuan, Peoples R China
[5] Sichuan Univ, Dept Pediat Clin, West China Hosp 2, Chengdu, Sichuan, Peoples R China
[6] Sichuan Univ, West China Sch Pharm, Chengdu, Sichuan, Peoples R China
[7] Sichuan Univ, West China Hosp 2, Dept Childrens Genet Endocrinol & Metab, Chengdu, Sichuan, Peoples R China