1. Department of Medicine and Therapeutics; The Chinese University of Hong Kong; Prince of Wales Hospital; Hong Kong SAR China
2. China-Japan Friendship Hospital; Beijing China
3. Asia Diabetes Foundation; Prince of Wales Hospital; Hong Kong SAR China
4. Peking Union Hospital; Beijing China
5. First Hospital; Peking University Hospital; Beijing China
6. Li Ka Shing Institute of Health Sciences; The Chinese University of Hong Kong; Prince of Wales Hospital; Hong Kong SAR China
7. Hong Kong Institute of Diabetes and Obesity; The Chinese University of Hong Kong; Prince of Wales Hospital; Hong Kong SAR China
8. Beijing People's Hospital; Beijing China
9. Third Affiliated Hospital of Sun Yat-Sen University; Guangzhou China
10. Shanghai Sixth People's Hospital; Shanghai China