Text and Data Mining valid from 2020-05-01
Received: 24 October 2019
Accepted: 21 January 2020
First Online: 1 May 2020
Ethics approval and consent to participate
: Each part of the protocol has been approved by the Institutional Review Board Unità di Medicina della Riproduzione - Centro HERA. The patients signed informed consent forms on all procedures prior application.
: Not applicable
: The authors declare that they have no competing interests.