1. Department of Clinical Science and Education, Södersjukhuset; 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