1. Østmarka Psychiatric Department; St. Olav University Hospital; Trondheim Norway
2. Department of Clinical Pharmacology; St. Olav University Hospital; Trondheim Norway
3. Department of Laboratory Medicine; Children's and Women's Health; Norwegian University of Science and Technology; Trondheim Norway
4. Department of Anaesthesiology and Intensive Care; St. Olav University Hospital; Trondheim Norway