1. Guangdong Eye Institute Department of Ophthalmology Guangdong Provincial People’s Hospital Guangdong Academy of Medical Sciences Guangzhou China
2. Shantou University Medical College Shantou China
3. State Key Laboratory of Ophthalmology Zhongshan Ophthalmic Center Sun Yat‐sen University Guangzhou China
4. Department of Cardiology Guangdong Cardiovascular Institute Guangdong Provincial Key Laboratory of Coronary Heart Disease Prevention Guangdong Provincial People’s Hospital Guangdong Academy of Medical Sciences Guangzhou China
5. Guangdong Geriatrics Institute Guangdong Provincial People’s Hospital Guangdong Academy of Medical Sciences Guangzhou China
6. School of Medicine South China University of Technology Guangzhou China
7. Department of Statistics University of California Davis CA USA