About the Authors

Cornelis P. L. Paul

Affiliations Department of Orthopaedic Surgery, VU University Medical Center, Amsterdam, The Netherlands, Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands

Tom Schoorl

Affiliation Department of Orthopaedic Surgery, VU University Medical Center, Amsterdam, The Netherlands

Hendrik A. Zuiderbaan

Affiliation Department of Orthopaedic Surgery, VU University Medical Center, Amsterdam, The Netherlands

Behrouz Zandieh Doulabi

Affiliation Department of Oral Cell Biology, Academic Centre of Dentistry Amsterdam, Amsterdam, The Netherlands

Albert J. van der Veen

Affiliations Department of Orthopaedic Surgery, VU University Medical Center, Amsterdam, The Netherlands, Skeletal Tissue Engineering Group Amsterdam, VU University Medical Center, Amsterdam, The Netherlands

Peter M. van de Ven

Affiliation Department of Epidemiology and Biostatistics, VU University Medical Center, Amsterdam, The Netherlands

Theo H. Smit

Affiliations Department of Orthopaedic Surgery, VU University Medical Center, Amsterdam, The Netherlands, Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands, Skeletal Tissue Engineering Group Amsterdam, VU University Medical Center, Amsterdam, The Netherlands

Barend J. van Royen

Affiliations Department of Orthopaedic Surgery, VU University Medical Center, Amsterdam, The Netherlands, Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands, Skeletal Tissue Engineering Group Amsterdam, VU University Medical Center, Amsterdam, The Netherlands

Marco N. Helder

Affiliations Department of Orthopaedic Surgery, VU University Medical Center, Amsterdam, The Netherlands, Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands, Skeletal Tissue Engineering Group Amsterdam, VU University Medical Center, Amsterdam, The Netherlands

Margriet G. Mullender

m.mullender@vumc.nl

Affiliations Department of Orthopaedic Surgery, VU University Medical Center, Amsterdam, The Netherlands, Research Institute MOVE, Faculty of Human Movement Sciences, VU University Amsterdam, Amsterdam, The Netherlands, Department of Plastic, Reconstructive and Hand Surgery, VU University Medical Center, Amsterdam, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CPLP TS HAZ BZD AJvdV PMvdV THS BJvR MNH MGM. Performed the experiments: CPLP TS HAZ BZD AJvdV. Analyzed the data: CPLP BZD AJvdV PMvdV THS BJvR MNH MGM. Contributed reagents/materials/analysis tools: CPLP BZD AJvdV PMvdV THS BJvR MNH MGM. Wrote the paper: CPLP TS HAZ PMvdV THS BJvR MNH MGM.