Institution: | 1. Department of Geriatric Cardiology, First Affiliated Hospital of Medical College, Xi''an Jiaotong University, Xi''an 710061, China;2. Department of Cardiology, Shaanxi Wujing Hospital, Xi''an 710054, China;1. University Medical Center Göttingen, Göttingen, Germany;2. Max Planck Institute for Experimental Medicine, Göttingen, Germany;3. Massachusetts General Hospital and Harvard Medical School, Cambridge, MA, United States |