[1
]
Mayo Graduate School, Mayo Clinic, Rochester, 200 First Street SW, MN 55905, USA.
[2
]
Department of Neurology, Mayo Clinic, Rochester, 200 First Street SW, MN 55905, USA.
[3
]
Department of Neurosurgery, Mayo Clinic, Rochester, 200 First Street SW, MN 55905,
USA.
[4
]
Department of Orthopedic Surgery, Mayo Clinic, Rochester, 200 First Street SW, MN
55905, USA.
[5
]
Mayo Graduate School, Mayo Clinic, Rochester, 200 First Street SW, MN 55905, USA;
Department of Neurology, Mayo Clinic, Rochester, 200 First Street SW, MN 55905, USA.
Electronic address: windebank.anthony@mayo.edu.