Daniel L Barrow1, Bernard R Bendok2,3,4,5,6. 1. Department of Neurosurgery, Emory University School of Medicine, Atlanta, Georgia. 2. Department of Neurological Surgery, Neurovascular and Skullbase Program, Mayo Clinic, Phoenix, Arizona. 3. Precision Neuro-therapeutics Innovation Laboratory Mayo Clinic Phoenix, Arizona. 4. Neurosurgery Simulation and Innovation Laboratory Mayo Clinic Phoenix, Arizona. 5. Department of Otolaryngology Mayo Clinic Phoenix, Arizona. 6. Department of Radiology Mayo Clinic Phoenix, Arizona.