1. Departments of Psychiatry, Neurology and EpidemiologyUniversity of CaliforniaSan FranciscoCAUSA
2. Forest Research InstituteJersey CityNJUSA
3. Mayo ClinicRochesterMNUSA
4. United BioSource CorporationWaynePAUSA
5. Bristol‐Myers SquibbPrincetonNJUSA
6. AstraZenecaSödertäljeSweden
7. Khachaturian and AssociatesWashingtonDCUSA
8. GlaxoSmithKlineResearch Triangle ParkNCUSA
9. Alzheimer's AssociationChicagoILUSA