1. Centre for Research into Ecological and Environmental Modeling, The Observatory, University of St Andrews, St Andrews, Fife KY16 9LZ, UK
2. CEAUL-Centro de Estatística e Aplicações & Departamento de Biologia Animal, Faculdade de Ciências, Universidade de Lisboa, 1749-016 Lisboa, Portugal
3. SMRU Consulting, Scottish Oceans Institute, University of St Andrews, Fife KY16 8LB, UK
4. National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southeast Fisheries Science Center, Miami, Florida 33149, USA
5. Marine Mammal and Sea Turtle Division, Southeast Fisheries Science Center, National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Lafayette, Louisiana 70506, USA
6. National Marine Mammal Foundation, San Diego, California 92106, USA
7. National Oceanic and Atmospheric Administration, National Marine Fisheries Service, Southeast Fisheries Science Center, Pascagoula, Mississippi 39567, USA