Funding for this research was provided by:
Received: 9 July 2020
Accepted: 5 November 2020
First Online: 18 November 2020
Ethics approval and consent to participate
: All procedures involving animals were conducted in accordance with the German Animal Welfare Act and the Charité Animal Welfare Guidelines. The study protocol was approved by the State Office of Health and Social Affairs Berlin (Registration no. T0158/15).
: Not applicable.
: The authors declare that they have no competing interests.