About the Authors

Greta Snellman

greta.snellman@surgsci.uu.se

Affiliation Department of Surgical Sciences, Section of Orthopaedics, University Hospital, Uppsala, Sweden

Håkan Melhus

Affiliations Department of Medical Sciences, Section of Clinical Pharmacology, University Hospital, Uppsala, Sweden, Uppsala Clinical Research Centre, University Hospital, Uppsala, Sweden

Rolf Gedeborg

Affiliations Uppsala Clinical Research Centre, University Hospital, Uppsala, Sweden, Department of Surgical Sciences, Section of Anaesthesiology and Intensive Care, University Hospital, Uppsala, Sweden

Sylvia Olofsson

Affiliation Uppsala Clinical Research Centre, University Hospital, Uppsala, Sweden

Alicja Wolk

Affiliation Department of Nutritional Epidemiology, Institute of Environmental Medicine, Karolinska Institute, Stockholm, Sweden

Nancy L. Pedersen

Affiliation Departments of Medical Epidemiology and Biostatistics, Karolinska Institute, Stockholm, Sweden

Karl Michaëlsson

Affiliations Department of Surgical Sciences, Section of Orthopaedics, University Hospital, Uppsala, Sweden, Uppsala Clinical Research Centre, University Hospital, Uppsala, Sweden

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: GS HM NLP KM. Analyzed the data: GS HM RG SO AW NLP KM. Wrote the paper: GS KM.