*Iowa Spine & Brain Institute, University of Iowa, Waterloo/Iowa City, Iowa
‡Division of Neurological Surgery, and
‡‡Division of Neurological Surgery, Children’s Hospital of Alabama, University of Alabama at Birmingham, Birmingham, Alabama
§Department of Neurosciences, Inova Health System, Falls Church, Virginia
¶Department of Neurosurgery, and
#Department of Orthopaedics, University of Maryland, Baltimore, Maryland
â•‘Department of Neurosurgery, Emory University, Atlanta, Georgia
**Department of Clinical Neurosciences, University of Calgary Spine Program, Faculty of Medicine, University of Calgary, Calgary, Alberta, Canada
§§Division of Neurological Surgery, Barrow Neurological Institute, Phoenix, Arizona
Correspondence: Mark N. Hadley, MD, FACS, UAB Division of Neurological Surgery, 510 – 20th Street South, FOT 1030, Birmingham, AL 35294-3410. E-mail: [email protected]
