1. Department of Rehabilitation, Guangdong Provincial Hospital of Traditional Chinese Medicine Integrated with Western Medicine, Foshan, Guangdong 528200, P.R. China
2. Department of Traditional Chinese Medicine, People's Hospital of Nanhai District Foshan, Foshan, Guangdong 528200, P.R. China
3. Department of Tuina, Guangdong Provincial Hospital of Traditional Chinese Medicine, Guangzhou, Guangdong 510120, P.R. China