Diabetes Epidemiology and Clinical Research Section, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Fuwai Hospital, Government of the United States of America - Phoenix Epidemiology and Clinical Research Branch, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Fuwai Hospital, Eberhard-Karls University Tübingen, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Fuwai Hospital, Eberhard-Karls University Tübingen, Chinese Academy of Medical Sciences & Peking Union Medical College (CAMS & PUMC) - Fuwai Hospital, King’s College London, King’s College London, University of Tübingen - Institute for Diabetes Research and Metabolic Diseases, Eberhard-Karls University Tübingen, University of Tübingen - Institute for Diabetes Research and Metabolic Diseases, Imperial College London - School of Public Health, RWTH Aachen University - RWTH University Hospital Aachen, Eberhard-Karls University Tübingen, Chinese Academy of Sciences (CAS), Fuwai Hospital, Endocrinology and Cardiovascular Disease Center and University of Tübingen - Institute for Diabetes Research and Metabolic Diseases