1. Adrian Wai Chan, MBBS, Department of Radiation Oncology, Sunnybrook Health Sciences Centre, the University of Toronto, Toronto, Canada; Charles B. Simone II, MD, Department of Radiation Oncology, New York Proton Center, New York, NY; Yvette van der Linden, MD, PhD, Department of Radiotherapy, Leiden University Medical Centre, Leiden, the Netherlands, Centre of Expertise in Palliative Care, Leiden University Medical Centre, Leiden, the Netherlands; Peter Hoskin, MD, Mount Vernon Cancer Centre, Northwood,...