1. Avid RadiopharmaceuticalsPhiladelphiaPAUSA
2. Departments of Neurology and PsychiatryUniversity of Pittsburgh School of MedicinePittsburghPAUSA
3. Department of Molecular Imaging and TherapyAustin Health and Department of MedicineUniversity of MelbourneMelbourneVictoriaAustralia
4. RadiologyPsychiatryNeuroscienceNeurologyEnvironmental Health SciencesCarey Business SchoolJohns Hopkins UniversitySection of High Resolution Brain PET ImagingDivision of Nuclear MedicineBaltimoreMDUSA