1. Department of Healthcare, The Second Medical Center of Chinese PLA General Hospital, Beijing, China
2. Department of Cardiovascular Medicine, Chinese Pla General Hospital Hainan Hospital, 80 Jianglin Road, Haitang District, Sanya, China
3. Department of Inspection, Chinese Pla General Hospital Hainan Hospital, Sanya, China
4. Department of Cardiovascular Medicine, The Second Medical Center of Chinese PLA General Hospital, Beijing, China