1. Mayo Clinic, Phoenix, AZ, USA
2. Danish Headache Center, Glostrup, Denmark
3. Saitama International Headache Center, Saitama, Japan
4. Medical University of Vienna, Vienna, Austria
5. Fujitsu Ltd, Tokyo, Japan
6. Patient Advocate, Phoenix, AZ, USA
7. Migraine Association of Ireland, Dublin, Ireland
8. European Headache Alliance, Brussels, Belgium
9. INvisible Project, Middletown, Connecticut, USA
10. ZS Consulting, New York, NY, USA
11. Brunswick Medical Center, Quebec, Canada
12. Lund University Hospital, Lund, Sweden