1. Acupuncture and Tuina School, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, China (L.Z., M.S., Z.Y., G.G., J.Chen, D.C., H.Z., F.L.)
2. Acupuncture and Tuina School, Guizhou University of Traditional Chinese Medicine, Guiyang, Guizhou, China (J.Cui)
3. Acupuncture and Tuina School, Shaanxi University of Chinese Medicine, Xianyang, Shaanxi, China (R.W., Q.L.)
4. Acupuncture and Tuina School, Shanxi University of Chinese Medicine, Taiyuan, Shanxi, China (L.J.).