Article History
Received: 5 March 2018
Accepted: 14 December 2018
First Online: 29 December 2018
Ethics approval and consent to participate
: All experimental procedures were performed in accordance with the current animal care regulations in Germany and with permission of the responsible veterinary authorities of the federal state of Schleswig-Holstein (Ministerium für Landwirtschaft, Umwelt und ländliche Räume des Landes Schleswig Holstein; Az. V312–72241.123-34). This implies ethical approval by the advisory commission on animal experiments of this institution.Consent to participate not applicable (no human subjects).
: Not applicable.
: The authors declare that they have no competing interests.
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