1. Department of Fundamental Medicine, Chengdu University of Traditional Chinese Medicine, 1166 Liutai Avenue, Chengdu 611137, P.R. China
2. College of Clinical Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu 610072, P.R. China
3. Zigong Hospital of Traditional Chinese Medicine, 59 Ma Chongkou Street, Zigong 643010, P.R. China
4. Health Preservation and Rehabilitation College, Chengdu University of Traditional Chinese Medicine, Chengdu 611137, P.R. China