1. Drug Information Center, Department of Clinical Pharmacology, Huddinge University Hospital, S-141 86 Huddinge, Sweden, FAX +46-8-7468821
2. Professor of Health Economy, Drug Information Center, Department of Clinical Pharmacology, Huddinge University Hospital, S-141 86 Huddinge, Sweden, FAX +46-8-7468821
3. Associate Professor and Director of Clinical Pharmacology, Drug Information Center, Department of Clinical Pharmacology, Huddinge University Hospital, S-141 86 Huddinge, Sweden, FAX +46-8-7468821