1. Department of Clinical Neurosciences University of Calgary Calgary Alberta Canada
2. Division of Neurology University of British Columbia Vancouver British Columbia Canada
3. Brunswick Medical Center Montreal Quebec Canada
4. Hamilton Headache Clinic Hamilton Ontario Canada
5. Gladstone Headache Clinic Toronto Ontario Canada
6. Ottawa Headache Centre Inc. Ottawa Ontario Canada
7. IQVIA Solutions Canada Inc. Montreal Quebec Canada
8. IQVIA Solutions Canada Inc. Mississauga Ontario Canada
9. IQVIA Solutions Canada Inc. Ottawa Ontario Canada
10. Novartis Canada Dorval Quebec Canada