1. Key laboratory of Carcinogenesis and Translational Research (Ministry of Education/Beijing), Department of Radiation Oncology Peking University Cancer Hospital & Institute Beijing China
2. Department of Radiation Oncology Emory University Atlanta Georgia USA
3. Department of Radiation & Cellular Oncology University of Chicago Chicago Illinois USA
4. Department of Oncology Daqing Oilfield General Hospital Daqing Heilongjiang China
5. Institute of Medical Technology Peking University Health Science Center Beijing China