1. Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences Guangzhou China
2. Guangdong Provincial Key Laboratory of Clinical Pharmacology Guangdong General Hospital, Guangdong Academy of Medical Sciences Guangzhou China
3. Department of Geriatrics Guangdong General Hospital, Guangdong Academy of Medical Sciences Guangzhou China
4. Heart Institute, Cedars Sinai Medical Center Los Angeles California