1. HCD Economics Cheshire UK
2. Ottawa Hospital Research Institute Ontario Ottawa Canada
3. Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Casa Sollievo della Sofferenza Research Hospital San Giovanni Rotondo Italy
4. European Huntington Association Kristiansand Norway
5. Manchester Centre for Genomic Medicine Manchester UK
6. Lega Italiana Ricerca Huntington Rome Italy
7. Birmingham and Solihull Mental Health Foundation Trust Birmingham UK
8. CHDI Management/CHDI Foundation New York New York USA
9. Huntington's Disease Youth Organization Kington UK
10. Huntington's Disease Association Liverpool UK
11. Huntington's Disease Society of America New York New York USA
12. Deutsche Huntington‐Hilfe Duisburg Germany
13. The Faculty of Health and Social Care University of Chester Cheshire UK
14. Harvard Medical School/Beth Israel Deaconess Medical Center Massachusetts Boston USA