1 Department of Radiation Oncology, Penn State Cancer Institute, Hershey, Pennsylvania; Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania. Electronic address: nicholaszaorsky@gmail.com.
2 Department of Radiation Oncology, Penn State Cancer Institute, Hershey, Pennsylvania.
3 Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Case Western Reserve University, Cleveland, Ohio.
4 Department of Radiation Oncology, Dana-Farber Cancer Institute and Harvard Medical School, Boston, Massachusetts.
5 Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania; Department of Medicine Division of General Internal Medicine, Penn State College of Medicine, Hershey, Pennsylvania.
6 Department of Public Health Sciences, Penn State College of Medicine, Hershey, Pennsylvania.