About the Authors

Ank de Jonge

ank.dejonge@vumc.nl

Affiliation Department of Midwifery Science, AVAG and the EMGO Institute of Health and Care Research, VU University Medical Center, Amsterdam, the Netherlands

Jeanette A. J. M. Mesman

Affiliation Leiden University Medical Center, Department of Obstetrics, Leiden, the Netherlands

Judith Manniën

Current address: Deparment of Medical Statistics & BioInformatics, Leiden University Medical Center, Leiden, the Netherlands

Affiliation Department of Midwifery Science, AVAG and the EMGO Institute of Health and Care Research, VU University Medical Center, Amsterdam, the Netherlands

Joost J. Zwart

Affiliation Deventer Hospital, Department of Obstetrics, Deventer, the Netherlands

Simone E. Buitendijk

Affiliation Leiden University Medical Center, Leiden, the Netherlands

Jos van Roosmalen

Affiliations Leiden University Medical Center, Department of Obstetrics, Leiden, the Netherlands, Athena Institute, VU University Medical Center, Amsterdam, the Netherlands

Jeroen van Dillen

Affiliation Radboud University Medical Center Nijmegen, Department of Obstetrics, Nijmegen, the Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AJ. Analyzed the data: AJ JAJMM. Wrote the paper: AJ JAJMM JM JJZ SEB JR JD. Linking the datasets: JM.