Received: 6 May 2020
Accepted: 14 September 2020
First Online: 7 October 2020
Ethics approval and consent to participate
: The collect of human placenta and use for ex vivo perfusion was performed following the principles of the Declaration of Helsinki and written informed consent was given by the mothers before delivery. The study was approved by the local ethics committee (DC-2013-1950). Meconium samples were obtained under an internal agreement of the scientific committee or from volunteer parents, and informed signed consents were obtained from all parents.
: All authors read and approved the final manuscript.
: Authors declare that they have no competing interests.