1. Department of Neurosurgery, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Dignity Health, Phoenix, Arizona 85013, USA
2. Oman Medical College, Muscat 130, Sultanate of Oman
3. Department of Neurology, Barrow Neurological Institute, St. Joseph's Hospital and Medical Center, Dignity Health, Phoenix, Arizona 85013, USA
4. School of Mathematical and Natural Sciences, Arizona State University, Phoenix, AZ 85004, USA