1. Department of Radiation Oncology, Quzhou People's Hospital, Quzhou, China
2. Department of Radiation Oncology, GanZhou Cancer Hospital, Ganzhou, China
3. Department of Radiotherapy Center, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
4. Department of Engineering, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
5. School of Basic Medical Science, Wenzhou Medical University, Wenzhou, China