1 Department of Radiation Oncology, Beaumont Health, Oakland University William Beaumont School of Medicine, Royal Oak, Michigan. Electronic address: karna.sura@beaumont.edu.
2 Department of Radiation Medicine, Georgetown University Hospital, Washington, District of Columbia.
3 American College of Radiation Oncology, Bethesda, Maryland.
4 Department of Radiation Oncology, Stritch School of Medicine, Loyola University Chicago, Maywood, Illinois.
5 Department of Radiation Medicine and Applied Sciences, University of California, San Diego, San Diego, California.
6 Department of Radiation Oncology, 21st Century Oncology, Pembroke Pines, Florida.