Institution: | 1. Department of Cardiovascular Medicine, Xiangya Hospital, Central South University, Changsha 410008, China;2. Department of Cardiology for Senior Officials, Xiangya Hospital, Central South University, Changsha 410008, China;3. Department of Pharmacology, School of Pharmaceutical Sciences, Central South University, Changsha 410078, China;4. Division of Pulmonary, Allergy & Critical Care Medicine, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL 35294, USA |