1. Center for Psychopharmacology; Diakonhjemmet Hospital; Oslo Norway
2. Department of Pharmaceutical Biosciences, School of Pharmacy; University of Oslo; Norway
3. Department of Surgery; Diakonhjemmet Hospital; Oslo Norway
4. Department of Medicine; Diakonhjemmet Hospital; Oslo Norway
5. Department of Clinical Science, Geriatric Research Group; University of Bergen; Norway