Funding for this research was provided by:
Deutscher Akademischer Austauschdienst (91607303)
Heinrich-Heine-Universität Düsseldorf (DE) Medical Faculty
Received: 24 January 2018
Revised: 19 March 2018
Accepted: 10 April 2018
First Online: 25 April 2018
Ethics approval and consent to participate
: Full-term amniotic fluid samples from healthy donors were collected from the Department of Obstetrics and Gynaecology, Medical Faculty, Heinrich Heine University Düsseldorf, Germany, with informed patient consent as well as institutional ethical approval.
: All authors have agreed to submit this manuscript for publication.
: The authors declare that they have no competing interests.
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