1. Department of Cardiology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine, Shanghai, China.
2. Department of Cardiology, The Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China.
3. Department of Cardiology, The Affiliated Hospital of Changchun University of Traditional Chinese Medicine, Changchun, China.
4. Department of Cardiology, Xi'an Hospital of Traditional Chinese Medicine, Xi'an, China.
5. Department of Cardiology, Chongqing First People's Hospital, Chongqing, China.
6. Department of Cardiology, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China.
7. Department of Cardiology, Siping Central People's Hospital of Jilin, Siping, China.