Funding for this research was provided by:
Dept of Medical Biotechnology and Translational Medicine (22724 and 31305, 22730 and 31298)
Italian Ministry of Health (ID 2755301)
Received: 16 July 2020
Accepted: 21 December 2020
First Online: 7 January 2021
Ethics approval and consent to participate
: The umbilical cords were donated anonymously according to the national ethical legislation and local university guidelines. All experimental protocols were approved by the Ethics Board at the University of Milano (study 106/2011). Collection of the cords was conducted by the clinicians of the Ospedale Macedonio Melloni, 20129 Milano, Italy, and anonymized samples were processed at the Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy. All pregnant women gave their written informed consent to study participation.
: Not applicable.
: The authors declare that they have no competing interests.