1. Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
2. Department of Traditional Chinese Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou, China
3. Affiliated Hospital of Integrated Chinese Medicine and Western Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
4. Department of Anus and Intestine Surgery, Chengdu Integrated TCM & Western Medicine Hospital, Chengdu, China
5. Department of Integrated Traditional and Western Medicine Anorectal, Affiliated Hospital of North Sichuan Medical College, Nanchong, China
6. Chengdu University of Traditional Chinese Medicine, Chengdu, China