1. Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews KY16 8LB, UK
2. Biomedical Sciences Research Complex, School of Chemistry, Biomolecular Sciences Building Annexe, North Haugh, University of St Andrews, St Andrews KY16 9ST, UK
3. Scottish Marine Animals Strandings Scheme, SAC Consulting Veterinary Services, Inverness IV2 5NA, UK