About the Authors

Teresa Cobo

Contributed equally to this work with: Teresa Cobo, Marian Kacerovsky

tcobo@clinic.ub.es

Affiliations Maternal-Fetal Medicine Department, ICGON, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain, Fetal and Perinatal Medicine Research Group, Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain

Marian Kacerovsky

Contributed equally to this work with: Teresa Cobo, Marian Kacerovsky

Affiliation Biomedical Research Center, University Hospital Hradec Kralove, Department of Obstetrics and Gynecology, Charles University in Praque, Faculty Medicine Hradec Kralove, Hradec Kralove, Czech Republic

Montse Palacio

Affiliations Maternal-Fetal Medicine Department, ICGON, Hospital Clinic, Universitat de Barcelona, Barcelona, Spain, Fetal and Perinatal Medicine Research Group, Institut d'Investigacions Biomediques August Pi i Sunyer (IDIBAPS), Barcelona, Spain, Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Barcelona, Spain

Helena Hornychova

Affiliation Fingerland's Department of Pathology, University Hospital Hradec Kralove, Hradec Kralove, Czech Republic

David M. Hougaard

Affiliation Department of Clinical Biochemistry and Immunology, Statens Serum Institut, Copenhagen, Denmark

Kristin Skogstrand

Affiliation Department of Clinical Biochemistry and Immunology, Statens Serum Institut, Copenhagen, Denmark

Bo Jacobsson

Affiliations Department of Obstetrics and Gynecology, Sahlgrenska University Hospital, Gothenburg, Sweden, Institute of Public Health, Oslo, Norway

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: TC MK BJ. Performed the experiments: MP HH DH KS. Analyzed the data: TC MK BJ. Contributed reagents/materials/analysis tools: TC MK BJ. Wrote the paper: TC.