1 Department of Radiation Oncology (Maastro), GROW School for Oncology, Maastricht University Medical Centre+, Maastricht, the Netherlands.
2 Department of Oncology, Aarhus University Hospital, Palle Juul-Jensens, Boulevard 99, DK-8200 Aarhus, Denmark.
3 Department of Physics, Engineering Physics & Optics and Cancer Research Center, Université Laval, Quebec City, QC, Canada.
4 Department of Radiation Oncology, Research Center of CHU de Québec, Université Laval, Quebec City, QC, Canada.
5 Department of Radiation Physics, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Unit 1420, Houston, TX 77030, United States.
6 Calvary Mater Newcastle Hospital and University of Newcastle, Newcastle, New South Wales, Australia.
7 Servei de Radiofísica i Radioprotecció, Hospital de la Santa Creu i Sant Pau, Barcelona, Spain.
8 Medical Physics Department, CancerCare Manitoba, Winnipeg, Manitoba, Canada.
9 Alfred Health Radiation Oncology, Alfred Health, 55 Commercial Rd, Melbourne, VIC 3004, Australia.
10 Department of Radiation Oncology, Netherlands Cancer Institute, Amsterdam, the Netherlands.