1. Acupuncture and Moxibustion Department, Dongzhimen Hospital, Beijing University of Chinese Medicine, No. 5 Haiyuncang, Dongcheng District, Beijing 100010, China
2. College of Acupuncture-Moxibustion and Tuina, Beijing University of Chinese Medicine, No. 13 of the North 3rd East Road, Chaoyang District, Beijing 100029, China
3. International Medical Center, China-Japan Friendship Hospital, No. 2 Yinghua East Street, Chaoyang District, Beijing 100029, China