1. Graduate school, Heilongjiang University of Chinese Medicine, Harbin, Heilongjiang, China
2. The Second Ward of Acupuncture and Moxibustion Department, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
3. The Forth Ward of Cardiovascular Department, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China
4. The Sixth Ward of Acupuncture and Moxibustion Department, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, Harbin, China.