Details of ethics approval:
The protocol complied to the principles of the Helsinki declaration, the study was approved by the Geneva University Hospital Research Ethics Committee (reference n° 07-080 MATPED 07-021) and registered at clinicaltrials.gov (NCT03174340). All participating women provided written informed consent.
Funding :
This study was funded by a competitive grant from the Clinical Research Centre of the Faculty of Medicine, University of Geneva, and the University Hospitals of Geneva, Switzerland. The sponsor had no role in the design, interpretation of the results, reporting or the decision to publish. (Pending) Funding for open access publication was granted by the University of Lausanne.