Isabelle Thibault, MD a, Eric L Chang, ProfMD b, Jason Sheehan, ProfMD c, Manmeet S Ahluwalia, MD d, Matthias Guckenberger, ProfMD g, h, Moon-Jun Sohn, MD i, Samuel Ryu, ProfMD j, Matthew Foote, MBBS k, Simon S Lo, ProfMB ChB l, Alexander Muacevic, ProfMD m, Scott G Soltys, MD n, Samuel Chao, MD e, Peter Gerszten, ProfMD o, Eric Lis, MD p, Eugene Yu, MD r, Mark Bilsky, ProfMD q, Charles Fisher, ProfMD s, David Schiff, ProfMD t, Michael G Fehlings, ProfMD u, Lijun Ma, ProfPhD v, Susan Chang, ProfMD w, Edward Chow, ProfMBBS x, Wendy R Parelukar, MD y, Michael A Vogelbaum, ProfMD f, Arjun Sahgal, DrMD x, ⁎ 
a Department of Radiation Oncology, Centre Hospitalier Universitaire de Quebec, Université Laval, Quebec City, QC, Canada
b Department of Radiation Oncology, University of Southern California, Los Angeles, CA, USA
c Department of Neurosurgery, University of Virginia Health System, Charlottesville, VA, USA
d Department of Medical Oncology, Cleveland Clinic, Cleveland, OH, USA
e Department of Radiation Oncology, Cleveland Clinic, Cleveland, OH, USA
f Brain Tumor and Neuro-Oncology Center and Department of Neurosurgery, Cleveland Clinic, Cleveland, OH, USA
g Department of Radiation Oncology, University Hospital Zurich, Zurich, Switzerland
h Department of Radiation Oncology, University Hospital Wuerzburg, Wuerzberg, Germany
i Department of Neurosurgery, Inje University Ilsan Paik Hospital, Goyang, Korea
j Department of Radiation Oncology, Stony Brook University, New York, NY, USA
k Department of Radiation Oncology, Princess Alexandra Hospital, Brisbane, QLD, Australia
l Department of Radiation Oncology, University Hospitals Seidman Cancer Center, Cleveland, OH, USA
m Department of Neurosurgery, University of Munich Hospital, Munich, Germany
n Department of Radiation Oncology, Stanford University Medical Center, Stanford, CA, USA
o Department of Neurosurgery, University of Pittsburgh Medical Center, Pittsburgh, PA, USA
p Department of Radiology, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
q Department of Neurosurgery, Memorial Sloan-Kettering Cancer Center, New York, NY, USA
r Department of Radiology, University Health Network, Toronto, ON, Canada
s Department of Orthopedics, University of British Columbia, Vancouver, BC, Canada
t Division of Neuro-Oncology, University of Virginia Health System, Charlottesville, VA, USA
u Department of Neurosurgery, Toronto Western Hospital, Toronto, ON, Canada
v Department of Radiation Oncology, University of California San Francisco, San Francisco, CA, USA
w Department of Neurosurgery, University of California San Francisco, San Francisco, CA, USA
x Department of Radiation Oncology, University of Toronto, Sunnybrook Odette Cancer Centre, Toronto, ON, Canada
y NCIC Clinical Trials Group Division, Cancer Research Institute, Queen’s University Kingston, ON, Canada