1. Acupuncture and Moxibustion College, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, P. R. China
2. People’s Hospital of Pengzhou, Pengzhou, Sichuan 611930, P. R. China
3. Acupuncture & Chronobiology Key Laboratory of Sichuan Province, Chengdu 610075, China
4. College of Basic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan 610075, P. R. China