1. Department of Endocrinology, Nanjing First Hospital, Nanjing Medical University, No. 32 Gong-qing-tuan Road, Nanjing 210012, China
2. Department of Endocrinology, Affiliated Hospital 2 of Nantong University and First People’s Hospital of Nantong City, No. 6 North Hai-er-xiang Road, Nantong 226001, China