1. College of Medicine, University of Florida, Gainesville;
2. Department of Neurosurgery, University of Florida, Gainesville, Florida;
3. Kansas City University College of Osteopathic Medicine, Kansas City, Missouri;
4. Tilman J. Fertitta Family College of Medicine, University of Houston, Texas;
5. Department of Neurosurgery, University Hospitals Cleveland Medical Center, Case Western Reserve University, Cleveland, Ohio;
6. Department of Neurosurgery, Memorial Sloan Kettering Cancer Center, New York, New York;
7. Department of Neurological Surgery, Ascension St. Mary’s Hospital, Saginaw, Michigan; and
8. Department of Neurosurgery, Sinai Hospital and LifeBridge Health System, Baltimore, Maryland