1. Cardiovascular Diseases Center, Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing 100091, China
2. Department of Emergency, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing 100700, China
3. Cardiopulmonary Division, TCM Hospital of Beijing Mentougou District, Beijing 102300, China
4. Graduate School, Beijing University of Chinese Medicine, Beijing 100029, China