*Department of Education, Mayo Clinic Florida, Jacksonville, Florida, USA;
‡Department of Neurosurgery, Mayo Clinic Florida, Jacksonville, Florida, USA;
§Department of Neurosurgery, Mayo Clinic Health Systems, Eau ClaiSre, Wisconsin, USA;
‖Department of Neurologic Surgery, Columbia University Irving Medical Center, New York, New York, USA
Correspondence: William Clifton, MD, Department of Neurologic Surgery, Och Spine Hospital, Columbia University Irvine Medical Center, 622 W 168th St, PH 11-1102, New York, NY10032, USA. Email: [email protected]