1. Department of Endocrinology and Metabolism, Clinical Medical College & Affiliated Hospital of Chengdu University, Chengdu University, Chengdu, 610081, P.R. China
2. NHC Key Laboratory of Hormones and Development (Tianjn Medical University), Tianjin Key Laboratory of Metabolic Diseases, Tianjn Medical University Chu Hsien-I Memorial Hospital & Tianjin Institute of Endocrinology, Tianjin 300134, P.R. China
3. Tianjin First Central Hospital, Tianjin 300134, P.R. China