1 Department of Cardiovascular Medicine, Shanghai Institute of Hypertension, Ruijin Hospital Affiliated to Shanghai Jiaotong University School of Medicine, Shanghai, China.
2 Department of Cardiology, Guangdong Provincial Peoples' Hospital, Guangzhou, Guangdong, China.
3 Department of Internal Medicine, Yuhuan 2 Peoples' Hospital, Taizhou, Zhejiang, China.