Funding for this research was provided by:
Bundesministerium für Bildung und Forschung (02WRS1378)
Text and Data Mining valid from 2020-03-23
Received: 20 December 2019
Accepted: 8 March 2020
First Online: 23 March 2020
Ethics approval and consent to participate
: The experiment was approved by the animal welfare committee of the Regional Council of Tübingen, Germany (authorization number ZO 2/16).
: Not applicable.
: The authors declare that they have no competing interests.