1. School of Acupuncture & Moxibustion and Tuina, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
2. Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, 100700, China
3. Department of Acupuncture and Moxibustion, Tianjin Gong An Hospital, Tianjin, 300042, China