1. Department of Gerontology , Daping Hospital, , Chongqing , China
2. Army Medical University , Daping Hospital, , Chongqing , China
3. Department of Prevention and Health Care , Daping Hospital, , Chongqing , China
4. Department of Public Health, Zhejiang University School of Medicine , Hangzhou , China
5. Department of Endocrinology of the Children's Hospital, National Clinical Research Center for Children’s Health , Zhejiang University School of Medicine, Hangzhou , China