Maertens, Helder
De Reu, Koen https://orcid.org/0000-0001-8499-8995
Meyer, Evelyne
Van Coillie, Els
Dewulf, Jeroen
Article History
Received: 20 March 2019
Accepted: 6 August 2019
First Online: 2 September 2019
Ethics approval and consent to participate
: Written informed consent was obtained from the farmers.
: Not applicable.
: The authors declare that they have no competing interests.