1. Department of Medicine and Therapeutics The Chinese University of Hong Kong Hong Kong
2. Hong Kong Institute of Diabetes and Obesity The Chinese University of Hong Kong Hong Kong
3. Department of Obstetrics and Gynecology The Chinese University of Hong Kong Hong Kong
4. Department of Chemical Pathology Prince of Wales Hospital Shatin Hong Kong
5. Department of Epidemiology and Biostatistics School of Public Health Tianjin Medical University Tianjin China
6. Li Ka Shing Institute of Health Sciences The Chinese University of Hong Kong Hong Kong