(1.Graduate School,Beijing 100853, China ;2. National Clinical Research Center for Geriatric Diseases,Beijing 100853, China ;4. Fourth Geriatric Health Care Department of Second Medical Center,Beijing 100853, China ;5. Institute of Hospital Management of Medical Innovation Research Department, Beijing 100853, China;8. Department of Cardiology of Second Medical Center, Chinese PLA General Hospital, Beijing 100853, China;3. Troop 663366, Baoding 071000, Hebei Province, China;6. Graduate School of Jilin Sport University, Changchun 130022, China;7. School of Physical Education, Ningxia University, Yinchuan 750021, China)
R592