1. Departments of Endocrinology and Diabetes Center (H.G., L.L., J.L., Y.L.) The First Affiliated Hospital of Sun Yat-sen University
2. Key Laboratory of Tropical Disease Control (Sun Yat-sen University) (J.C., M.L.), Ministry of Education
3. Department of Microbiology (J.C., M.L.), Zhongshan School of Medicine, Sun Yat-sen University, Guangdong 510080, China
4. Vascular Surgery (C.Y.), The First Affiliated Hospital of Sun Yat-sen University