[1] Sichuan Univ, West China Sch Preclin & Forens Med, Dept Forens Pathol, Chengdu 610041, Sichuan, Peoples R China
[2] Sichuan Univ, Key Lab Obstet & Gynecol, West China Inst Women & Childrens Hlth, Lab Mol Translat Med,Minist Educ,West China Univ, Chengdu 610041, Sichuan, Peoples R China
[3] Sichuan Univ, Pediat Dis & Birth Defects, West China Inst Women & Childrens Hlth, Lab Mol Translat Med,Minist Educ,West China Univ, Chengdu 610041, Sichuan, Peoples R China
[4] Sichuan Univ, West China Hosp, Dept Cardiol, Chengdu 610041, Sichuan, Peoples R China