Adam S Kanter -
1Department of Neurosurgery, University of Pittsburgh, Pittsburgh, Pennsylvania
Christopher I Shaffrey -
2Department of Neurological Surgery, University of Virginia Health System, Charlottesville, Virginia
Praveen Mummaneni -
3Department of Neurological Surgery, University of California, San Francisco, California
Michael Y Wang -
4Department of Neurosurgery, University of Miami; and
Juan S Uribe -
5Department of Neurosurgery, University of South Florida, Tampa, Florida