1. Department of Anorectal, Affiliated Hospital of Integrative Chinese Medicine and Western Medicine of Chengdu University of Traditional Chinese Medicine, Chengdu 610042, China
2. Department of Anorectal, Chengdu First People’s Hospital, Chengdu 610031, China
3. Department of Anorectal, Affiliated Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China
4. Department of Traditional Chinese Medicine, The Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
5. Department of Anorectal, Luzhou People’s Hospital, Luzhou 646000, China
6. Department of Anorectal, Chengdu Shuangliu Hospital of Traditional Chinese Medicine, Chengdu 610200, China
7. Department of Integrated Traditional and Western Medicine Anorectal, Affiliated Hospital of North Sichuan Medical College, Nanchong 637000, China
8. Chengdu University of Traditional Chinese Medicine, Chengdu 610072, China