1. Department of Acupuncture, Beijing University of Chinese Medicine Third Affiliated Hospital, No. 51 Xiaoguan Street, Anwai, Chaoyang District, Beijing 100029, P.R. China
2. Department of Psychiatry, Heilongjiang Mental Hospital, No. 153 Hengdao Street, Xiangfang District, Harbin 150036, P.R. China
3. Department of Otolaryngology, First Affiliated Hospital, Heilongjiang University of Chinese Medicine, No. 26 Heping Road, Xiangfang District, Harbin 150040, P.R. China
4. School of Traditionnal Chinese Internal Medicine, Dongzhimen Hosptial, Beijing University of Chinese Medicine, No. 5 Haiyuncang, Dongcheng District, Beijing 100700, P.R. China
5. School of Acupuncture and Massage, Beijing University of Chinese Medicine, No. 11 North Three-ring East Road, Chaoyang District, Beijing 100029, P.R. China