1. Department of Endocrinology and Diabetes; First Affiliated Hospital of Xiamen University; Xiamen China
2. Department of Epidemiology; Tulane University Health Sciences Center; New Orleans Louisiana
3. Department of Endocrine and Metabolic Diseases, Shanghai Institute of Endocrinology and Metabolism, Shanghai Clinical Center for Endocrine and Metabolic Diseases, Ruijin Hospital; Shanghai Jiao Tong University School of Medicine; Shanghai China
4. Department of Endocrinology; Suzhou Science and Technology Town Hospital; Suzhou Jiangsu China
5. Department of Endocrinology and Metabolism, Zhongshan Hospital; Fudan Univeristy; Shanghai China