Affiliation: | 1. Department of Clinical Science and Education, S?dersjukhuset, Karolinska Institutet, , Sweden;2. Department of Clinical Pharmacology, Karolinska University Hospital, , Stockholm, Sweden;3. Centre for Pharmacoepidemiology, Karolinska Institutet, , Stockholm, Sweden;4. The National Board of Health and Welfare, , Stockholm, Sweden;5. Department of Healthcare Development, Public Healthcare Services Committee, Stockholm County Council, , Stockholm, Sweden |