1. Department of NeurosciencesUniversity of California San DiegoSan DiegoCAUSA
2. Department of NeurologyMayo Clinic College of MedicineRochesterMNUSA
3. Division of Biostatistics and BioinformaticsUniversity of California, San DiegoSan DiegoCAUSA
4. Department of Pathology & Laboratory MedicineInstitute on AgingCenter for Neurodegenerative Disease ResearchUniversity of Pennsylvania School of MedicinePhiladelphiaPAUSA
5. Department of Public Health SciencesUniversity of California DavisDavisUSA
6. Department of RadiologyMayo ClinicRochesterMNUSA
7. Helen Wills Neuroscience InstituteUniversity of CaliforniaBerkeleyCAUSA
8. Laboratory of NeuroimagingDepartment of NeurologyUCLA School of MedicineLos AngelesCAUSA
9. Department of RadiologyIndiana UniversityIndianapolisINUSA
10. Department of NeurologyWashington University School of MedicineSt. LouisMIUSA
11. Department of NeurologyBoston University School of MedicineBostonMAUSA
12. Department of Radiologyand Medicine and Psychiatry, UC San FranciscoSan FranciscoCAUSA