1. Department of Gynecology and Obstetrics, Rui-Jin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China;
2. Department of Gynecology and Obstetrics, The International Peace Maternity and Child Health Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China;
3. Shanghai Clinical Center for Endocrine and Metabolic Diseases, Shanghai Institute of Endocrine and Metabolic Diseases, Department of Endocrinology and Metabolism, Rui-Jin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, PR China