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Article History

Received: 13 August 2022

Accepted: 28 September 2022

First Online: 7 October 2022

Declarations

:

: There are no actual or potential conflicts of interest exist related to this work. The conflicts of interest of the authors unrelated to this work are as the following: -AS: Consultant with Varian (Medical Advisory Group), Elekta (Gamma Knife Icon), BrainLAB, Merck, Abbvie, Roche Vice President with International Stereotactic Radiosurgery Society (ISRS) Advisory Board with VieCure Co-Chair with AO Spine Knowledge Forum Tumor Past educational seminars (honorarium) with AstraZeneca, Elekta AB, Varian (CNS Teaching Faculty), BrainLAB, Medtronic Kyphon, Accuray, Seagen Inc. Research Grant: Elekta AB, Varian, Seagen Inc. Travel accommodations/expenses: Elekta, Varian, BrainLAB AS also belongs to the Elekta MR Linac Research Consortium, Elekta Spine, Elekta Oligometastases and Elekta Linac Based SRS Consortia. -JD: Advisor/consultant: AbbVie, Bayer, Ferring -SM: Honoraria: AAA/Novartis, Ipsen Research support: Ipsen -CLT: Travel accommodations/expenses and honoraria from Elekta AB for past educational seminars. He belongs to the Elekta MR-Linac Research Consortium. -All other authors declare no conflicts.

: This study was approved by the institutional research ethics board (REB). As a retrospective, observational study waiver of informed consent was granted by the REB.

: Not applicable.