About the Authors

J. Christiaan Keurentjes

j.c.keurentjes@lumc.nl

Affiliation Department of Orthopaedic Surgery, Leiden University Medical Center, Leiden, The Netherlands

Marta Fiocco

Affiliation Department of Medical Statistics and BioInformatics, Leiden University Medical Center, Leiden, The Netherlands

Cynthia So-Osman

Affiliation Department of Research and Development, Sanquin Blood Supply South West Region, Leiden, The Netherlands

Ron Onstenk

Affiliation Department of Orthopaedic Surgery, Groene Hart Hospital, Gouda, The Netherlands

Ankie W. M. M. Koopman-Van Gemert

Affiliation Department of Anaesthesiology, Albert Schweitzer Hospital, Dordrecht, The Netherlands

Ruud G. Pöll

Affiliation Department of Orthopaedic Surgery, Slotervaart Hospital, Amsterdam, The Netherlands

Herman M. Kroon

Affiliation Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands

Thea P. M. Vliet Vlieland

Affiliation Department of Orthopaedic Surgery, Leiden University Medical Center, Leiden, The Netherlands

Rob G. Nelissen

Affiliation Department of Orthopaedic Surgery, Leiden University Medical Center, Leiden, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: JCK MF CSO HMK TPMVV RGN. Performed the experiments: JCK RO AWMMKG RGP. Analyzed the data: JCK MF RGN. Contributed reagents/materials/analysis tools: JCK RO AWMMKG RGP RGN. Wrote the paper: JCK MF CSO RO AWMMKG RGP HMK TPMVV RGN.