About the Authors

Mikko Anttonen

mikko.anttonen@helsinki.fi

Affiliations Children's Hospital, Pediatric Research Center, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland, Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland

Marjut Pihlajoki

Contributed equally to this work with: Marjut Pihlajoki, Noora Andersson, Adrien Georges

Affiliation Children's Hospital, Pediatric Research Center, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland

Noora Andersson

Contributed equally to this work with: Marjut Pihlajoki, Noora Andersson, Adrien Georges

Affiliation Children's Hospital, Pediatric Research Center, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland

Adrien Georges

Contributed equally to this work with: Marjut Pihlajoki, Noora Andersson, Adrien Georges

Affiliation Programme de Pathologie Moléculaire et Cellulaire, Institut Jacques Monod, UMR 7592 CNRS-Université Paris Diderot, Paris, France

David L'Hôte

Affiliation Programme de Pathologie Moléculaire et Cellulaire, Institut Jacques Monod, UMR 7592 CNRS-Université Paris Diderot, Paris, France

Sanna Vattulainen

Affiliation Children's Hospital, Pediatric Research Center, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland

Anniina Färkkilä

Affiliations Children's Hospital, Pediatric Research Center, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland, Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland

Leila Unkila-Kallio

Affiliation Department of Obstetrics and Gynecology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland

Reiner A. Veitia

Affiliation Programme de Pathologie Moléculaire et Cellulaire, Institut Jacques Monod, UMR 7592 CNRS-Université Paris Diderot, Paris, France

Markku Heikinheimo

Affiliations Children's Hospital, Pediatric Research Center, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland, Department of Pediatrics, Washington University School of Medicine, St Louis, Missouri, United States of America

Competing Interests

One of the co-authors, Reiner Veitia, is a PLOS ONE Editorial Board member. This does not alter the authors' adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: MA MP NA AG DL SV AF LUK RAV MH. Performed the experiments: MA MP NA AG DL SV AF. Analyzed the data: MA MP NA AG DL SV AF. Contributed reagents/materials/analysis tools: RAV MH. Wrote the paper: MA MP NA LUK RAV MH.