Affiliation: | [1]Department of Geriatric-Cardiology, First Hospital of Xi'an JiaotongUniversity, Xi'an, Shannxi 710061, China; [2]School of Primary Health Care, Faculty of Medicine, Nursing andHealth Sciences, Victoria 3165, Monash University, Australia; [3]Department of Cardiology, Beijing Anzhen Hospital Affiliated toCapital Medical University, Beijing 100029, China |