1. Department of General Practice, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University , Nanjing 210009 , China
2. Research and Education Centre of General Practice, Zhongda Hospital, Southeast University , Nanjing 210009 , China
3. Department of Nursing Management, Zhongda Hospital, School of Medicine, Southeast University , Nanjing 210009 , China
4. Department of Endocrinology, Zhongda Hospital, Institute of Diabetes, School of Medicine, Southeast University , Nanjing 210009 , China
5. Department of Integrated Services, Jiangsu Provincial Center for Disease Control and Prevention , Nanjing 210000 , China
6. Adelaide Medical School and Centre of Research Excellence (CRE) in Translating Nutritional Science to Good Health, The University of Adelaide , Adelaide 5000 , Australia