[1] University of California-Irvine Medical Center,Department of Neurosurgery
[2] Thomas Jefferson University,Department of Neurosurgery
[3] Carolina Neurosurgery and Spine Associates,Department of Neurosurgery
[4] Carolinas Medical Center,Department of Radiation Oncology
[5] University of Pittsburgh Medical Center,Department of Neurological Surgery
[6] McMaster University Evidence-based Practice Center,Department of Neurosurgery
[7] Ohio State University Medical Center,Department of Neurosciences
[8] California Pacific Medical Center,Department of Radiation Oncology
[9] University of Colorado-Denver,Department of Radiation Oncology
[10] Massachusetts General Hospital,Department of Neurosurgery
[11] University of California San Francisco,Department of Human Oncology
[12] University of Wisconsin School of Public Health and Medicine,Department of Neurosurgery
[13] Henry Ford Health System,Department of Neurosurgery
[14] Emory University School of Medicine,Department of Neurology
[15] Northshore University Health System,Department of Neurology
[16] Barrow Neurological Institute,Department of Neurosurgery
[17] Iowa Spine and Brain Institute,undefined