Unfortunately, the original version of this article [1] contained an error. The acknowledgements was included incorrectly. The correct acknowledgements can be found below.

The authors gratefully acknowledge the funding of this research provided by the Ministry of Health and Consumers’ Affairs - –Spain (FIS Exp. PI13/01340 and FEDER funds) and the CHIR- Quebec Training Network in Perinatal Research (QTNPR). The study funders had no role in the study design, data analysis, data collection, data interpretation or the writing of the report. The views expressed are those of the authors and not necessarily of the funding bodies.