1. Department of Endocrinology National Center of Gerontology Chinese Academy of Sciences Beijing Hospital Institute of Geriatric Medicine Beijing China
2. The George Institute for Global Health at Peking University Health Science Center Beijing China
3. Faculty of Medicine University of New South Wales Sydney New South Wales Australia
4. Department of Endocrinology Xuanwu Hospital Capital Medical University Beijing China
5. National Center of Gerontology Sleep Center Lab, Beijing Hospital Beijing China
6. Department of Endocrinology The Third Medical Center of Chinese Hospital of People's Liberation Army Beijing China
7. Department of Endocrinology and Metabolism Peking University People's Hospital Beijing China