1. Soochow University Affiliated Suzhou Ninth Hospital, Suzhou, China
2. State Key Laboratory of Radiation Medicine and Protection, School of Radiation Medicine and Protection, Soochow University, Suzhou, China
3. School of Public Health, Medical College of Soochow University, Suzhou, China
4. Collaborative Innovation Center of Radiation Medicine of Jiangsu Higher Education Institutions, Suzhou, China