About the Authors

Susanna M. Wallerstedt

susanna.wallerstedt@pharm.gu.se

Affiliation Department of Clinical Pharmacology, Sahlgrenska University Hospital, Göteborg, Sweden

Johan Fastbom

Affiliation Aging Research Center, Karolinska Institutet and Stockholm University, Stockholm, Sweden

Kristina Johnell

Affiliation Aging Research Center, Karolinska Institutet and Stockholm University, Stockholm, Sweden

Christina Sjöberg

Affiliation Department of Geriatrics, Sahlgrenska University Hospital/Mölndal, Mölndal, Sweden

Sten Landahl

Affiliation Department of Geriatrics, Sahlgrenska academy, Mölndal, Sweden

Anders Sundström

Affiliation Centre for Pharmacoepidemiology, Karolinska Institutet, Stockholm, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived the study: SMW JF KJ CS SL AS. Designed the study: SMW JF KJ AS. Extracted the data: SMW. Performed the computerised drug register analyses: JF. Handled the data, and performed the statistical analyses: SMW AS. Drafted the manuscript: SMW. Revised the manuscript: JF KJ CS SL AS.