Funding for this research was provided by:
nederlandse organisatie voor wetenschappelijk onderzoek (016.Vidi.189.007, nanofront)
chinese scholarship council (CSC 201706320328)
h2020 european research council (ERC-CoG-2016-725722)
Received: 11 June 2021
Accepted: 23 December 2021
First Online: 10 January 2022
: The collection and use of human material in this study was approved by the Medical Ethics Committee from the Leiden University Medical Center (P08.087), and the study was conducted in accordance with the Declaration of Helsinki. The gestational age was determined by ultrasonography, and the tissue was obtained from women undergoing elective abortion. The material was donated with written informed consent. Questions about the human material should be directed to S. M. Chuva de Sousa Lopes (ExternalRef removed).
: The authors declare no competing interests.