1. Forbes Norris MDA/ALS Research Center, California Pacific Medical Center San Francisco California USA
2. Johns Hopkins Hospital Baltimore Maryland USA
3. Sean M. Healey and AMG Center for ALS Massachusetts General Hospital, Harvard Medical School Boston Massachusetts USA
4. Montreal Neurological Institute & Hospital Montreal QC Canada
5. Mayo Clinic Jacksonville Florida USA
6. Genentech, Inc. South San Francisco California USA
7. F. Hoffmann‐La Roche, Ltd. Basel Switzerland
8. University of Miami Hospital (CRC) Miami Florida USA
9. UMC Utrecht Utrecht The Netherlands
10. Neurological Clinical Research Institute Boston Massachusetts USA
11. Emory University School of Medicine Atlanta Georgia USA