1. Royal (Dick) School of Veterinary Studies and the Roslin Institute, University of Edinburgh , Edinburgh EH25 9RG , UK
2. Scottish Marine Animal Stranding Scheme, School of Biodiversity, One Health and Veterinary Medicine, College of Medical, Veterinary and Life Science, University of Glasgow , Glasgow G12 8QQ , UK
3. Faroe Marine Research Institute (Havstovan) , Tórshavn FO-100 , Faroe Islands
4. Irish Whale and Dolphin Group (IWDG) , Kilrush V15 E762 , Ireland
5. School of Biological, Earth and Environmental Sciences, University College Cork , Cork T23 N73K , Ireland