Funding for this research was provided by:
Text and Data Mining valid from 2019-11-12
Received: 17 May 2019
Accepted: 16 September 2019
First Online: 12 November 2019
Ethics approval and consent to participate
: Both original studies were approved by the ethics committee of canton Zurich (KEK-ZH-Nr. 2012–0258 – amendment of 12.12.2014 and KEK-ZH-Nr. 2014–0717) and included the possibility to perform the present analyses. Written signed consent was obtained from the patients the day before the elective cesarean section.
: Not applicable.
: The authors declare that they have no competing interests.