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Additional Information

Competing Interests

The authors declare that they have no competing interests.

Author Contributions

Isabel M Smallegange analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Isabelle BC van der Ouderaa analyzed the data, contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Yara Tibiriçá contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Data Deposition

The following information was supplied regarding data availability:

Matlab code for the demographic analyses can be accessed via Figshare:

https://dx.doi.org/10.6084/m9.figshare.1594759.v1

Funding

Isabelle B.C. van der Ouderaa was funded by the Volkert van der Willigen Foundation of the Stichting Amsterdamse Universiteits Fonds. I. M. Smallegange is funded by a MacGillavry Fellowship from the University of Amsterdam, and a MEERVOUD grant no. 836.13.001 and VIDI grant no. 864.13.005 from the Netherlands Organisation for Scientific Research (NWO). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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