Ju Liu1, Juan Lin2, Tingting Gao, Fen Shi3. 1. General Family Medicine, Zaozhuang Municipal Hospital, Zaozhuang, China. 2. Department of Integrated Acupuncture and Moxibustion, Zaozhuang Hospital of traditional Chinese Medicine, Zaozhuang, China. 3. General Family Medicine, Zaozhuang Municipal Hospital, Zaozhuang, China - qkyxljsf@126.com.