About the Authors

Ana Rita Marques

Contributed equally to this work with: Ana Rita Marques, Henny Forde, Crawford W. Revie

Roles Conceptualization, Formal analysis, Writing – original draft

amarques@upei.ca

Affiliation Centre for Veterinary and Epidemiological Research, Department of Health Management, Atlantic Veterinary College, University Prince Edward Island, Charlottetown, Prince Edward Island, Canada

Henny Forde

Contributed equally to this work with: Ana Rita Marques, Henny Forde, Crawford W. Revie

Roles Data curation, Writing – review & editing

Affiliation Måsøval Fiskeoppdrett AS, Sistranda, Norway

Crawford W. Revie

Contributed equally to this work with: Ana Rita Marques, Henny Forde, Crawford W. Revie

Roles Conceptualization, Supervision, Writing – review & editing

Affiliation Centre for Veterinary and Epidemiological Research, Department of Health Management, Atlantic Veterinary College, University Prince Edward Island, Charlottetown, Prince Edward Island, Canada

Competing Interests

We have the following interests: Henny Forde is employed by Måsøval Fiskeoppdrett AS, who provided the data for this study. There are no patents, products in development or marketed products to declare. This does not alter our adherence to all the PLOS ONE policies on sharing data and materials, as detailed online in the guide for authors.