1. Elan Pharmaceuticals, Inc.San DiegoCA
2. Mayo ClinicRochesterMN
3. Rush University Medical CenterChicagoIL
4. University of British ColumbiaVancouverBCCanada
5. Brown UniversityProvidenceRI
6. University of Maastricht, Maastricht, and VUMCAmsterdamNetherlands
7. University of California San DiegoSan DiegoCA
8. Elan Pharmaceuticals, Inc.San FranciscoCA
9. KAI Inc.PotomacMD
10. Alzheimer's AssociationChicagoIL