1. Faculty of Pharmaceutical Sciences, University of British Columbia, Vancouver, British Columbia V6T 1Z3, Canada
2. Department of Pharmacy, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
3. Department of Drug Design and Pharmacology, Faculty of Health and Medicinal Sciences, University of Copenhagen, Universitetsparken 2, 2100 Copenhagen, Denmark
4. Department of Clinical Physiology, Nuclear Medicine & PET, Rigshospitalet, Blegdamsvej 9, 2100 Copenhagen, Denmark