About the Authors

Natascha C. M. Verzantvoort

Roles Formal analysis, Writing – original draft

Affiliation Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands

Teun Teunis

Roles Conceptualization, Methodology, Writing – review & editing

Affiliation Plastic, Reconstructive and Hand Surgery, University Medical Center Utrecht, Utrecht, the Netherlands

Theo J. M. Verheij

Roles Conceptualization, Writing – review & editing

Affiliation Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands

Alike W. van der Velden

Roles Conceptualization, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

a.w.vandervelden@umcutrecht.nl,

Affiliation Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, the Netherlands

Competing Interests

The study was funded by Achmea, a Dutch health insurance company. This does not alter our adherence to PLOS ONE policies on sharing data and materials. There are no patents, products in development, or marketed products to declare.