1. Roche Pharma Research and Early Development, Roche Innovation Center Basel, Therapeutic Modalities, Small Molecule Research, Isotope Synthesis, F. Hoffmann-La Roche Ltd, Basel CH-4070, Switzerland
2. Department of Pharmacy and Pharmacology, University of Bath, Bath BA2 7AY, U.K.
3. Roche Pharma Research and Early Development, Roche Innovation Center Basel, Neuroscience and Rare Diseases, Discovery & Translational Medicine Area, Biomarker and Translational Technologies, F. Hoffmann-La Roche Ltd, Basel CH-4070, Switzerland
4. Roche Pharma Research and Early Development, Roche Innovation Center Basel, Pharmaceutical Science, F. Hoffmann-La Roche Ltd, Basel CH-4070, Switzerland
5. Roche Pharma Research and Early Development, Roche Innovation Center Basel, Therapeutic Modalities, Small Molecule Research, Medicinal Chemistry, F. Hoffmann-La Roche Ltd, Basel CH-4070, Switzerland
6. Roche Pharma Research and Early Development, Roche Innovation Center Basel, Therapeutic Modalities, Small Molecule Research, Lead Discovery, F. Hoffmann-La Roche Ltd, Basel CH-4070, Switzerland
7. Department of Radiology, Division of Nuclear Medicine and Molecular Imaging, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21218, United States
8. Section of High Resolution Brain PET, PET Center, Division of Nuclear Medicine, Russell H. Morgan Department of Radiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21218, United States
9. Section of High Resolution Brain PET, PET Center, Division of Nuclear Medicine, Russell H. Morgan Department of Radiology, The Johns Hopkins University School of Medicine, Baltimore, Maryland, 21218, United States
10. Solomon H. Snyder Department of Neuroscience, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21218, United States
11. ⧫Department of Psychiatry and Behavioral Sciences, The Johns Hopkins University School of Medicine, Baltimore, Maryland 21218, United States