About the Authors

Ewart W. Kuijk

Affiliations Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands, Department of Reproductive Medicine and Gynecology, University Medical Center Utrecht, Utrecht, The Netherlands, Hubrecht Institute-KNAW and University Medical Center Utrecht, Utrecht, The Netherlands

Jeffrey de Gier

Affiliation Department of Clinical Sciences of Companion Animals, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands

Susana M. Chuva de Sousa Lopes

Affiliation Department of Anatomy and Embryology, Leiden University Medical Center, Leiden University, Leiden, The Netherlands

Ian Chambers

Affiliation Medical Research Council Centre for Regenerative Medicine, Institute for Stem Cell Research, School of Biological Sciences, University of Edinburgh, Edinburgh, United Kingdom

Ans M. M. van Pelt

Affiliation Center for Reproductive Medicine, Department of Obstetrics and Gynecology, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands

Ben Colenbrander

Affiliation Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands

Bernard A. J. Roelen

BAJR: b.a.j.roelen@uu.nl

Affiliation Department of Farm Animal Health, Faculty of Veterinary Medicine, Utrecht University, Utrecht, The Netherlands

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: EWK SMCdSL IC AMMvP. Performed the experiments: EWK JdG SMCdSL IC AMMvP. Analyzed the data: EWK JdG SMCdSL IC AMMvP BC BAR. Contributed reagents/materials/analysis tools: JdG SMCdSL IC AMMvP BC BAR. Wrote the paper: EWK.