1. Department of Epidemiology and Biostatistics, School of Public Health Tianjin Medical University Tianjin China
2. Tianjin Key Laboratory of Environment Nutrition and Public Health Tianjin China
3. Tianjin Center for International Collaborative Research on Environment Nutrition and Public Health Tianjin China
4. Department of Medicine and Therapeutics The Chinese University of Hong Kong, Prince of Wales Hospital Hong Kong China
5. Hong Kong Institute of Diabetes and Obesity The Chinese University of Hong Kong, Prince of Wales Hospital Hong Kong China
6. Li Ka Shing Institute of Health Sciences The Chinese University of Hong Kong, Prince of Wales Hospital Hong Kong China