VA Cooperative Studies Program Coordinating Center, Boston, MA, USA; Department of Radiation Oncology, School of Medicine, Case Western Reserve University, Cleveland, OH, USA

Department of Radiation Oncology, City of Hope National Cancer Center, Duarte, CA, USA

Department of Radiation Oncology, University of Pennsylvania, Perelman Center for Advanced Medicine, Philadelphia, PA, USA

Department of Radiation Oncology, Ludwig Maximilian University of Munich, Munich, Germany

Professor, Department of Radiation Oncology, University of California, Irvine, CA, USA

Department of Radiation Oncology, Tohoku University Hospital, Sendai, Japan

Associate Professor of Radiation Oncology, Department of Radiation Oncology, Paracelsus Medical University Salzburg, Austria