1. Institute of Integrative Chinese Medicine, Xiangya Hospital, Central South University, Changsha, Hunan, China
2. Department of Traditional Chinese Medicine, The Second Xiangya Hospital, Central South University, Changsha, Hunan, China
3. Emergency Department, Tianjin Emergency Center, Tianjin Changsha, China
4. Department of Geriatrics, Changsha Ninth Hospital, Hunan, China