1. Massachusetts General Hospital, Boston, MA; Johns Hopkins University, Baltimore, MD; University of Oklahoma; Oncochart, Oklahoma City, OK; Washington University, St Louis; St Luke's Hospital of Kansas City, Kansas City, MO; University of North Carolina, Durham, NC; North Shore–Long Island Jewish Health System, New Hyde Park; Memorial Sloan Kettering Cancer Center; Albert Einstein College of Medicine, New York, NY; Elekta, Stockholm, Sweden; University of Pennsylvania, Philadelphia, PA; Varian Oncology,...