1. Department of Oncology, Dezhou People’s Hospital (Qilu Hospital of Shandong University Dezhou Hospital), 1166 Dongfanghong West Road, Dezhou, P.R. China
2. Department of Radiotherapy, Dezhou People’s Hospital (Qilu Hospital of Shandong University Dezhou Hospital), 1166 Dongfanghong West Road, Dezhou, P.R. China
3. Department of Gastroenterology, Dezhou People’s Hospital (Qilu Hospital of Shandong University Dezhou Hospital), 1166 Dongfanghong West Road, Dezhou, P.R. China
4. Department of Infectious Diseases, Dezhou People’s Hospital (Qilu Hospital of Shandong University Dezhou Hospital), 1166 Dongfanghong West Road, Dezhou, P.R. China