1 Department of Endocrinology and Metabolism, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai Clinical Center for Diabetes, Shanghai Diabetes Institute, Shanghai Key Laboratory of Diabetes Mellitus, Shanghai Key Clinical Center for Metabolic Disease, Shanghai 200233, China.
2 Department of General Surgery, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu 210006, China.
3 Department of General Surgery, Shanghai Sixth People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200233, China.
4 Department of General Surgery, The First Affiliated Hospital of Jinan University, Guangzhou, Guangdong 510630, China.
5 Department of Bariatric and Metabolic Surgery, China-Japan Union Hospital of Jilin University, Changchun, Jilin 130033, China.
6 Department of General Surgery, Beijing Shijitan Hospital, Capital Medical University, Peking University Ninth School of Clinical Medicine, Beijing 100038, China.
7 Department of Bariatric and Metabolic Surgery, East Hospital, Tongji University School of Medicine, Shanghai 200120, China.
8 Department of Endocrinology and Metabolism, Tongji Hospital, School of Medicine, Tongji University, Shanghai 200072, China.
9 Ethicon, Inc., Johnson & Johnson, Cincinnati, OH 45242, USA.
10 Ethicon, Inc., Johnson & Johnson, Raritan, NJ 08869, USA.
11 Health Services Consulting Corporation, Boxborough, MA 01719, USA.
12 Johnson & Johnson Medical (Shanghai) LTD, Shanghai 200233, China.