Funding for this research was provided by:
Biologische Heilmittel Heel GmbH
Received: 23 March 2020
Accepted: 2 February 2021
First Online: 12 February 2021
Change Date: 23 April 2021
Change Type: Update
Change Details: The original article has been corrected to include an OA funding note.
Ethics approval and consent to participate
: All experiments were approved by and carried out in strict accordance with the German Animal Welfare guidelines of the states of Thuringia (TLV) and Lower Saxony (LAVES) (Registration No. TLV Az. 22–2684-04-02-012/14, and 22–2684-04-02-009/15, LAVES 33.9–42502–04-14/1518, and 33.9–42502–04-15/1859). Written consent was obtained from all participants (owners).
: Not applicable.
: The authors declare that they have no competing interests.