1 College of Acupuncture-Moxibustion and Tuina, Hebei University of Chinese Medicine, Shijiazhuang City, Hebei Province, People's Republic of China.
2 Hebei International Joint Research Center for Dominant Diseases in Chinese Medicine and Acupuncture, Hebei University of Chinese Medicine, Shijiazhuang City, Hebei Province, People's Republic of China.