1. Department of Gastrointestinal Surgery, The Second People’s Hospital of Liaocheng, Liaocheng, 252600 Shandong, China
2. Department of Gastroenterology, The Second People’s Hospital of Liaocheng, Liaocheng, 252600 Shandong, China
3. Department of Emergency, Huangshi Hospital of Traditional Chinese Medicine (Municipal Infectious Disease Hospital), Huangshi, China
4. Puai Hospital of Huangshi Central Hospital of East Hubei Medical Group, Affiliated Hospital of Hubei Institute of Technology, Huangshi, 435000 Hubei, China