About the Authors

Liesbeth E. C. Wijnvoord

e.c.wijnvoord@umcg.nl

Affiliations Department of Health Sciences, Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, Medical Department Movir Insurance, Nieuwegein, The Netherlands, Dutch Academic Center for Insurance Medicine (DACIM), Groningen, The Netherlands

Sandra Brouwer

Affiliations Department of Health Sciences, Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, Dutch Academic Center for Insurance Medicine (DACIM), Groningen, The Netherlands

Jan Buitenhuis

Affiliations Department of Health Sciences, Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, Medical Department Univé Insurance, Assen, The Netherlands, Dutch Academic Center for Insurance Medicine (DACIM), Groningen, The Netherlands

Jac J. L. van der Klink

Affiliations Department of Health Sciences, Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, Dutch Academic Center for Insurance Medicine (DACIM), Groningen, The Netherlands

Michiel R. de Boer

Affiliations Department of Health Sciences, Community and Occupational Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands, Department of Health Sciences and the EMGO Institute for Health and Care Research, Faculty of Earth and Life Sciences, VU University, Amsterdam, The Netherlands

Competing Interests

The authors have the following interests: Movir insurance provided data for this study. Co-author Liesbeth E. C. Wijnvoord is employed by Movir Insurance. There are no patents, products in development or marketed products to declare. This does not alter the authors' adherence to PLOS ONE policies on sharing data and materials.

Author Contributions

Performed the experiments: LECW. Analyzed the data: MRdB, LECW. Wrote the paper: LECW, MRdB, SB, JB. Conception and design of the study: LECW, SB, JB, MRdB Coordinated the study and delivered improvements to the manuscript: JJLvdK.