1. Guangdong General Hospital Zhuhai Hospital, Zhuhai Golden Bay Center Hospital, Zhuhai, China
2. Community Health Center of Liaobu County, Dongguan, Guangdong, China
3. The First Affiliated Hospital of South China University of Technology, Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong General Hospital, Guangdong Academy of Medical Sciences, Hypertension Research Laboratory, Guangzhou, China