Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (JO 395/2-2)
Received: 20 September 2019
Accepted: 27 January 2020
First Online: 28 February 2020
Ethics approval and consent to participate
: The experimental procedures were approved by the District Government of Hannover (LAVES, No 33-42502-05/958 & 509.6-42502-03/684 and 33.9-42502-04/16/2115) in accordance with the guide for the care and use of laboratory animals.
: Not applicable.
: The authors declare that they have no competing interests.