1. Division of Neurosurgery, Department of Surgery Université de Sherbrooke Sherbrooke Québec Canada
2. Division of Neurosurgery, Department of Surgery University of Toronto Toronto Ontario Canada
3. Department of Neurosurgery Peopleʼs Hospital of Zhengzhou University, Henan Provincial People's Hospital, Henan University People's Hospital, Henan University School of Medicine Zhengzhou China
4. Division of Neurology, Department of Medicine Université de Sherbrooke Sherbrooke Québec Canada
5. Division of Otolaryngology – Head & Neck Surgery, Department of Surgery Université de Sherbrooke Sherbrooke Québec Canada
6. Joint Department of Medical Imaging University of Toronto Toronto Ontario Canada
7. Edmond J. Safra Program in Parkinson's Disease Morton and Gloria Shulman Movement Disorders Clinic, Toronto Western Hospital, UHN, Toronto, Ontario, Canada. Division of Neurology, University of Toronto Toronto Ontario Canada
8. Krembil Brain Institute Toronto Ontario Canada