[1] Chongqing Med Univ, Dept Cardiol, Childrens Hosp, Chongqing 400014, Peoples R China
[2] Chongqing Med Univ, Dept Cardiothorac Surg, Childrens Hosp, Chongqing 400014, Peoples R China
[3] Chongqing Int Sci & Technol Cooperat Ctr Child De, Minist Educ, Key Lab Child Dev & Disorders, Key Lab Pediat Chongqing, Chongqing, Peoples R China