1. Department of Neurobiology and PhysiologyNorthwestern UniversityEvanstonIllinoisUSA
2. Blanchette Rockefeller Neurosciences InstituteRockvilleMarylandUSA
3. Acumen PharmaceuticalsSouth San FranciscoCaliforniaUSA
4. Institute of Medical BiochemistryCCS/Bloco H 2nd andar Sala 019Federal University of Rio de JaneiroRio de JaneiroRJBrazil
5. Alzheimer's DepartmentMerck Research LaboratoriesMerck & CoP.O. Box 4, 44KWest PointPA19486USA
6. NCCAMNIHBethesdaMarylandUSA