Received: 1 April 2020
Accepted: 2 July 2020
First Online: 10 July 2020
Ethics approval and consent to participate
: Not applicable. Gastropods (snails and slugs) are not included in the National and European Regulation about the use and welfare of animals, thus approval of the research from an Ethical Committee was not required for the present study.
: Not applicable.
: The authors declare that they have no competing interests.