Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (German Research Foundation) (FL 696/2-1)
Planck Graduate Center together with the Johannes Gutenberg-University Mainz (MPGC)
Received: 28 February 2018
Revised: 8 June 2018
Accepted: 8 June 2018
First Online: 17 July 2018
Compliance with ethical standards
: Human cervical tissue slices were obtained from excess patient material from the University Medical Center of Mainz and Tübingen with permission from the German ethics committee (837.498.11 (8040)).
: The authors declare that they have no conflict of interest.