[1] Univ Hosp Leipzig, Dept Nucl Med, Liebigstr 18, D-04103 Leipzig, Germany
[2] Inst Neurodegenerat Disorders, New Haven, CT USA
[3] Vrije Univ, Univ Med Ctr, Dept Radiol & Nucl Med, Amsterdam, Netherlands
[4] Austin Hlth, Dept Mol Imaging & Therapy, Heidelberg, Vic, Australia
[5] Univ Melbourne, Dept Med, Heidelberg, Vic, Australia