Harrison, Nicola http://orcid.org/0000-0002-7665-9894
Lindholm, Anna K.
Dobay, Akos
Halloran, Olivia
Manser, Andri
König, Barbara
Funding for this research was provided by:
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (120444)
Wolfermann-Naegeli Foundation
Claraz Stiftung
Stiftung für wissenschaftlicher Forschung an der Universität Zurich
Promotor Stiftung
Julius-Klaus Stiftung
Article History
Received: 24 October 2017
Accepted: 29 January 2018
First Online: 20 February 2018
Ethics approval and consent to participate
: The field study and data collection has been approved by the Veterinary Office Zurich, Switzerland (no. 215/2006).
: Not applicable
: The authors declare that they have no competing interests.
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