1 Department of Radiation Oncology and Molecular Radiation Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland. Electronic address: mlecomp2@jhmi.edu.
2 Department of Radiation Oncology, University of Oklahoma Health Science Center, Oklahoma City, Oklahoma.
3 Department of Radiation Oncology, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, New York.
4 Department of Radiation Oncology, James Cancer Hospital and Solove Research Institute, The Ohio State University Wexner Medical Center, Columbus, Ohio.
5 Department of Radiation Oncology, Brooke Army Medical Center, San Antonio, Texas.
6 Department of Radiation Oncology, Queen's University, Kingston, Ontario, Canada.
7 Department of Radiation Oncology, Wake Forest School of Medicine, Winston-Salem, North Carolina.
8 Department of Radiation Oncology, Dartmouth-Hitchcock's Dartmouth Cancer Center, Lebanon, New Hampshire.
9 Department of Radiation Oncology, Dana-Farber Cancer Institute/Brigham and Women's Hospital, Boston, Massachusetts.