1. USC Caruso Department of Otolaryngology – Head & Neck Surgery Keck School of Medicine of USC Los Angeles California USA
2. Department of Internal Medicine NYU Winthrop Hospital Mineola New York USA
3. Department of Neurology and Radiology, Keck School of Medicine of USC and Division of Dental Public Health & Pediatric Dentistry Herman Ostrow School of Dentistry of USC Los Angeles California USA
4. Department of Neurology Keck School of Medicine of USC Los Angeles California USA