1. School of Acupuncture, Moxibustion and Tuina, Beijing University of Chinese Medicine, Beijing 100029, China
2. Huguosi Hospital Affiliated to Beijing University of Chinese Medicine, Beijing 100035, China
3. Medical College of Hangzhou Normal University, Hangzhou 310000, China
4. Yangzhou Maternal and Child Health Hospital, Yangzhou 225000, China
5. Graduate School of Beijing University of Chinese Medicine, Beijing 100029, China