1. Department of Cadre Physical Examination Center, Shaanxi Provincial People’s Hospital, Xi’an, Shaanxi, China
2. Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China
3. Department of Cardiology, Huayin People’s Hospital, Weinan, Shaanxi, China
4. Department of Cardiology, Shaanxi Provincial People’s Hospital, Xi’an, Shaanxi, China
5. Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, China
6. Department of Cardiology, The Third Affiliated Hospital of Xi’an Jiaotong University, Xi’an, Shaanxi, China
7. Department of Cardiology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China