1. Merck & Co., Inc. Kenilworth New Jersey USA
2. Critical Path Institute Tucson Arizona USA
3. Union Chimique Belge Brussels Belgium
4. Lundbeck Copenhagen Denmark
5. Sanofi Chilly‐Mazarin France
6. GlaxoSmithKline Brentford UK
7. Biogen Cambridge Massachusetts USA
8. Department of Clinical Neurosciences University Cambridge Cambridge UK
9. Rush University Chicago Illinois USA
10. Neuroscience and Rare Disease Discovery and Translational Area Roche Pharma Research and Early Development F. Hoffmann‐La Roche Ltd Basel Switzerland
11. Takeda Cambridge Massachusetts USA
12. Institute of Neurodegenerative Diseases New Haven Connecticut USA
13. University of Rochester Rochester New York USA
14. Parkinson’s UK London UK