1. Department of Pharmacology; Drug Development and Therapeutics, University of Turku; Turku Finland
2. Clinical Research Services Turku CRST; Turku Finland
3. Unit of Clinical Pharmacology; Turku University Hospital; Turku Finland
4. Turku PET Centre; University of Turku and Turku University Hospital; Turku Finland
5. Department of Clinical Physiology and Nuclear Medicine; Turku University Hospital; Turku Finland
6. Orion Corporation Orion Pharma; Turku Finland
7. Department of Clinical Neuroscience; Center for Psychiatric Research and Education; Karolinska Institute; Stockholm Sweden