1. Department of Endocrinology & Metabolism, Shanghai 10th People’s Hospital, University of Tongji, Shanghai 200072, China
2. Sydney Medical School, University of Sydney, Sydney 2006, Australia
3. Health Promotion Service, Sydney Local Health Districts, NSW 2050, Australia
4. Prevention Research Collaboration, Sydney School of Public Health, The University of Sydney, Sydney 2006, Australia
5. School of Public Health, Fudan University, Shanghai 200032, China