1. Department of Bioscience, Arctic Research Centre, Aarhus University, Frederiksborgvej 399, P.O. Box 358, 4000 Roskilde, Denmark.
2. Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, KY16 8LB, UK.
3. Greenland Institute of Natural Resources, P.O. Box 570, 3900 Nuuk, Greenland.
4. Centre for Environment, Fisheries and Aquaculture Science, Pakefield Road, Lowestoft NR33 0HT, UK.
5. Scottish Marine Animal Stranding Scheme, SRUC Veterinary Services Drummondhill, Stratherrick Road, Inverness IV2 4JZ, UK.
6. Department of Pathobiology and Veterinary Science, University of Connecticut, 61 North Eagleville Road, Storrs, CT 06269-3089, USA.
7. Connecticut Sea Grant, 1080 Shennecossett Road, Groton, CT 06340-6048, USA.
8. Institute of Zoology, Zoological Society of London, Regent’s Park, London NW1 4RY, UK.
9. Ecotoxicology and Wildlife Health Division, Environment and Climate Change Canada, National Wildlife Research Centre, Carleton University, Ottawa, Ontario K1A 0H3, Canada.
10. Ocean Wise Conservation Association, P.O. Box 3232, Vancouver, British Columbia V6B 3X8, Canada.
11. Marine and Freshwater Research Institute, Skúlagata 4, 101 Reykjavík, Iceland.