1. Department of PsychiatryMassachusetts General HospitalBostonMAUSA
2. Department of NeurologyUniversity of PittsburghPittsburghPAUSA
3. Department of RadiologyUniversity of MichiganAnn ArborMIUSA
4. Department of RadiologyUniversity of PittsburghPittsburghPAUSA
5. Department of RadiologyMassachusetts General HospitalBostonMAUSA
6. Department of NeurosurgeryWashington UniversitySaint LouisMOUSA
7. Department of NeurologyUT Southwestern Medical CenterDallasTXUSA
8. Department of RadiologyUT Southwestern Medical CenterDallasTXUSA
9. Helen Wills Neuroscience InstituteUniversity of California BerkeleyBerkeleyCAUSA
10. Department of NeurologyMassachusetts General HospitalBostonMAUSA
11. Departments of Radiology, Pharmacology and Biological Chemistry, and Pharmaceutical SciencesUniversity of PittsburghPittsburghPAUSA
12. Avid RadiopharmaceuticalsPhiladelphiaPAUSA
13. Department of Nuclear Medicine and Centre for PETAustin HealthMelbourneVICAustralia