1. Medical Image Processing Group Department of Radiology University of Pennsylvania Philadelphia Pennsylvania USA
2. School of Information Science and Engineering Yanshan University Qinhuangdao China
3. Quantitative Radiology Solutions Philadelphia Pennsylvania USA
4. Department of Biostatistics and Epidemiology University of Pennsylvania Philadelphia Pennsylvania USA
5. Department of Radiation Oncology University of Pennsylvania Philadelphia Pennsylvania USA
6. Department of Medicine University of Pennsylvania Philadelphia Pennsylvania USA
7. Department of Radiation Oncology Rutgers University New Brunswick New Jersey USA
8. Department of Radiation Oncology Washington University St. Louis Missouri USA
9. New York Proton Center New York New York USA