1. The Acupuncture and Tuina School, The 3rd Teaching Hospital, Chengdu University of Traditional Chinese Medicine, No. 37, Shierqiao Road, Chengdu, Sichuan 610075, China
2. Leshan Vocational & Technical College, Leshan, Sichuan 614000, China
3. Dayi Chinese Medicine Hospital, Chengdu, Sichuan 611330, China