About the Authors

Esther W. de Bekker-Grob

e.debekker@erasmusmc.nl

Affiliation Department of Public Health, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands

Arnold D. Bergstra

Affiliation The Zeeland Public Health Service, Goes, The Netherlands

Michiel C. J. Bliemer

Affiliation Institute of Transport and Logistic Studies, University of Sydney Business School, Sydney, New South Wales, Australia

Inge J. M. Trijssenaar-Buhre

Affiliation Netherlands Organisation for Applied Scientific Research, Utrecht, The Netherlands

Alex Burdorf

Affiliation Department of Public Health, Erasmus MC, University Medical Centre Rotterdam, Rotterdam, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EWBG ADB MCJB IJMTB AB. Performed the experiments: ADB. Analyzed the data: EWBG ADB. Wrote the paper: EWBG ADB MCJB IJMTB AB.