1. Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, Nanjing, China
2. 2011 Collaborative Innovation Center of Tianjin for Medical Epigenetics, Key Laboratory of Hormone and Development (Ministry of Health), Metabolic Disease Hospital & Tianjin Institute of Endocrinology, Tianjin Medical University, Tianjin, China
3. Department of Endocrinology, First Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
4. Department of Endocrinology, First Affiliated Hospital of Dalian Medical University, Dalian, China