1. Department of Anorectal Surgery, Traditional Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region, Urumqi, P.R. China
2. Department of General Surgery, Traditional Chinese Medicine Hospital of Xinjiang Uygur Autonomous Region, Urumqi. P.R. China
3. Department of General Surgery, Changzhou No. 2 Peoples’ Hospital, Changzhou, P.R. China