About the Authors

Ellen A. Struijk

e.struijk-2@umcutrecht.nl

Affiliations Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Anne M. May

Contributed equally to this work with: Anne M. May, Joline W. J. Beulens

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

Joline W. J. Beulens

Contributed equally to this work with: Anne M. May, Joline W. J. Beulens

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

G. Ardine de Wit

Affiliations Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht, The Netherlands, National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Jolanda M. A. Boer

Affiliation National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

N. Charlotte Onland-Moret

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

Yvonne T. van der Schouw

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

H. Bas Bueno-de-Mesquita

Affiliations National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands, Department of Gastroenterology and Hepatology, University Medical Centre Utrecht, Utrecht, The Netherlands

Jeljer Hoekstra

Affiliation National Institute for Public Health and the Environment (RIVM), Bilthoven, The Netherlands

Petra H. M. Peeters

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

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Analyzed the data: EAS. Wrote the paper: EAS. Conducted the statistical analyses: EAS. Drafted the manuscript: EAS. Supervised data analysis: AMM JWJB PHMP. Provided critical review of the manuscript: GAW JMAB NCO-M JH YTS HBB-M AMM JWJB PHMP. Shared responsibility for data collection: JWJB HBB-M PHMP.