1. Turku PET Centre, University of Turku , Turku, Finland
2. Department of Endocrinology, Turku University Hospital , Turku, Finland
3. Clinical Neurosciences, Turku University Hospital , Turku, Finland
4. Turku PET Centre, Åbo Akademi University , Turku, Finland
5. Institute of Biomedicine, Research Centre for Integrative Physiology and Pharmacology, University of Turku , Turku, Finland
6. Department of Medicine, University of Turku , Turku, Finland
7. Department of Psychology, University of Turku , Turku, Finland