REVIEW ARTICLE Qi Pan Corresponding Author E-mail address: panqi621@126.com Department of Endocrinology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, Beijing, P.R. China Correspondence Professor Lixin Guo E‐mail address: glxwork2016@163.com Contact no.: +8601085136146, Professor Qi Pan, E‐mail address: panqi621@126.com Search for more papers by this author Lixin Guo Corresponding Author E-mail address:...