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