1. Clinical Memory Research UnitLund UniversityMalmöSweden
2. Memory ClinicSkåne University HospitalMalmöSweden
3. Institute for Neurodegenerative DisordersNew HavenCTUSA
4. Clinical Neurochemistry LaboratorySahlgrenska University HospitalMölndalSweden
5. Institute of Neuroscience and PhysiologyDepartment of Psychiatry and NeurochemistryThe Sahlgrenska Academy at University of GothenburgMölndalSweden
6. Department of Molecular NeuroscienceUCL Institute of NeurologyQueen SquareLondonUK
7. UK Dementia Research InstituteLondonUK
8. Center for Neurodegenerative Disease ResearchInstitute on Aging and Department of Pathology and Laboratory MedicinePhiladelphiaPAUSA
9. Former Employee of Roche Diagnostics GmbHPenzbergGermany
10. Roche Diagnostics GmbHPenzbergGermany
11. Roche Diagnostics InternationalRotkreuzSwitzerland
12. Department of Pathology and Laboratory MedicinePerelman School of MedicineUniversity of PennsylvaniaPhiladelphiaPAUSA