1. Department of Clinical Neuroscience, Center for Psychiatry Research, Karolinska Institutet and Stockholm County Council, 17176 Stockholm, Sweden
2. AstraZeneca, PET Science Centre at Karolinska Institutet, Precision Medicine, Oncology R&D, AstraZeneca, Karolinska Institutet, 17176 Stockholm, Sweden
3. Neuroscience, Biopharmaceuticals R&D, AstraZeneca, Boston, Massachusetts 02139, United States