Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (13GW0236B)
Received: 25 November 2019
Accepted: 10 March 2020
First Online: 2 April 2020
Compliance with ethical standards
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted. This article does not contain patient data.