1. Institute of Neuroscience and PhysiologyDepartment of Psychiatry and NeurochemistryThe Sahlgrenska Academy at the University of GothenburgMölndalSweden
2. Clinical Neurochemistry LaboratorySahlgrenska University HospitalMölndalSweden
3. UK Dementia Research InstituteLondonUK
4. Department of Molecular NeuroscienceUCL Institute of NeurologyLondonUK
5. Department of NeurologyUniversity Medical CentreLjubljanaSlovenia
6. Department of Pathology and Laboratory MedicineInstitute on AgingCenter for Neurodegenerative Disease ResearchUniversity of Pennsylvania School of MedicinePhiladelphiaPAUSA
7. Department of NeurologyHouston Methodist HospitalHoustonTXUSA
8. Department of NeurologyUniversity of Pennsylvania School of MedicinePhiladelphiaPAUSA
9. Department of PsychiatryUniversity of Pennsylvania School of MedicinePhiladelphiaPAUSA
10. Parkinson's Disease and Mental Illness ResearchEducation and Clinical Centers (PADRECC and MIRECC)Philadelphia Veterans Affairs Medical CenterPhiladelphiaPAUSA
11. Fujirebio Europe nvGhentBelgium