1. Jilin Provincial Key Laboratory of Radiation Oncology & Therapy, The First Hospital of Jilin University, and Key Laboratory of Pathobiology, Ministry of Education, Jilin University, Changchun 130021, China
2. Department of Gastrointestinal Colorectal and Anal Surgery, China-Japan Union Hospital of Jilin University, Changchun 130021, China
3. Department of Radiation Oncology, The First Hospital of Jilin University, Changchun 130021, China
4. NHC Key Laboratory of Radiobiology, School of Public Health, Jilin University, Changchun 130021, China
5. Key Laboratory of Pathobiology, Ministry of Education, College of Basic Medical Sciences, Jilin University, Changchun 130021, China