1. Department of Epidemiology and Biostatistics, School of Public Health, Jilin University, Changchun, Jilin Province, China
2. Department of Radiation Oncology, The First Hospital of Jilin University, Changchun, Jilin Province, China
3. Department of Social Medicine and Health Management, School of Public Health, Jilin University, Changchun, Jilin Province, China
4. Department of Pathology, School of Basic Medicine, Jilin University, Changchun, Jilin Province, China