1. Research Institute of General and Minimally Invasive Surgery, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang 830001, P.R. China
2. Department of Minimally Invasive Surgery, Hernia and Abdominal Wall Surgery, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang 830001, P.R. China
3. Department of Obstetrics and Gynecology Clinic, Hernia and Abdominal Wall Surgery, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang 830001, P.R. China
4. Department of Cardiac Surgery, Hernia and Abdominal Wall Surgery, People's Hospital of Xinjiang Uygur Autonomous Region, Urumqi, Xinjiang 830001, P.R. China