[1] Capital Medical University,Department of Endocrinology, Beijing Tongren Hospital
[2] Capital Medical University,Medical records and Statistics Department, Beijing Ditan Hospital
[3] Cuigezhuang Community Health Service Center,Yuetan Community Health Service Center of Fuxing Hospital
[4] Jinsong Community Health Service Center,Department of Endocrinology
[5] Xinjiekou Community Health Service Center,Diabetes Trials Unit, Oxford Centre for Diabetes, Endocrinology and Metabolism
[6] Capital Medical University,undefined
[7] Beijing Aerospace General Hospital,undefined
[8] University of Oxford,undefined