1. Department of Endocrinology and Metabolism, Suqian First Hospital, Suqian, Jiangsu 223800, P.R. China
2. Translational Medical Research Centre, Wuxi No. 2 People's Hospital, Affiliated Wuxi Clinical College of Nantong University, Jiangnan University Medical Center, Wuxi, Jiangsu 214002, P.R. China
3. Department of Endocrinology and Metabolism, The People's Hospital of Laibin, Laibin, Guangxi Zhuang Autonomous Region 546100, P.R. China
4. Department of Endocrinology and Metabolism, The Affiliated Suqian Hospital of XuZhou Medical University and Nanjing Drum Tower Hospital Group Suqian Hospital, Suqian, Jiangsu 223800, P.R. China