1 Department of Endocrinology, Genetics and Metabolism, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, 1678 Dongfang Road, Shanghai 200127, China.
2 Department of Reproductive Endocrinology, Obstetrics and Gynecology Hospital, School of Medicine, Fudan University, 419 Fangxie Road, Shanghai 200011, China. lxsure@fudan.edu.cn.
3 Department of Endocrinology, Genetics and Metabolism, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, 1678 Dongfang Road, Shanghai 200127, China. wangxiumin@scmc.com.cn.