1. Department of Neurological Surgery, NYU Langone Health, New York University, New York, New York, USA;
2. Department of Radiation Oncology, NYU Langone Health, New York University, New York, New York, USA;
3. Department of Neurology, Mount Sinai Corinne Goldsmith Dickinson Center for MS, Mount Sinai, New York, USA;
4. Division of Radiation Oncology, Allegheny Health Network Cancer Institute, Allegheny Health Network, Pittsburgh, Pennsylvania, USA;
5. Department of Neurosurgery, Allegheny Health Network, Pittsburgh, Pennsylvania, USA;
6. Division of Radiation Oncology, Department of Oncology, University of Alberta, Edmonton, Canada;
7. Department of Neurosurgery, Gamma Knife Center, Jewish Hospital, Mayfield Clinic, Cincinnati, Ohio, USA;
8. Radiosurgery Unit, Hospital Ruber Internacional, Madrid, Spain;
9. Department of Neurosurgery, IRCCS Humanitas Research Hospital, Rozzano, Italy;
10. Department of Neurosurgery, Koc University School of Medicine, Istanbul, Turkey;
11. Department of Radiation Oncology, The James Cancer Hospital at The Ohio State University, Columbus, Ohio, USA;
12. Department of Neurological Surgery, UPMC, Pittsburgh, Pennsylvania, USA;
13. Department of Neurosurgery, Centre de recherche du CHUS, Université de Sherbrooke, Sherbrooke, Canada;
14. Department of Neurosurgery, University of Southern California, Los Angeles, California, USA;
15. Department of Neurosurgery, UVA, Charlottesville, Virginia, USA;
16. Department of Neurosurgery, North Shore University Hospital (Northwell), Manhasset, New York, USA;
17. Department of Neurosurgery, North Shore University Hospital (Northwell Zucker School of Medicine), Hempstead, New York, USA;
18. Department of Neurosurgery, North Shore University Hospital, SUNY Downstate College of Medicine, Brooklyn, New York, USA;
19. Stereotactic and Radiation Neurosurgery, Na Homolce Hospital, Prague, Czechia