1 Mayo Clinic Alix School of Medicine, Scottsdale, Arizona, USA.
2 Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA; Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA.
3 Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA; Neuro-Informatics Laboratory, Mayo Clinic, Rochester, Minnesota, USA. Electronic address: bydon.mohamad@mayo.edu.