1. Laboratório de Mamíferos Aquáticos, Programa de Pós-graduação em Ecologia, Departamento de Ecologia e Zoologia, Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil.
2. Instituto de Conservación de Ballenas, O’Higgins 4380, Ciudad Autónoma de Buenos Aires 1429, Argentina.
3. Ocean Alliance, 32 Horton Street, Gloucester, MA 01930, USA.
4. School of Biological Sciences, University of Utah, Salt Lake City, UT 84112, USA.
5. Facultad de Ciencias Exactas, Físicas y Naturales (FCEFyN), Universidad Nacional de Córdoba, Córdoba 5000, Argentina.
6. Sea Mammal Research Unit, Scottish Oceans Institute, University of St Andrews, St Andrews, Fife KY16 8LB, Scotland, UK.
7. School of Biological and Marine Sciences, University of Plymouth, Plymouth PL4 8AA, UK.
8. Department of Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA 95064, USA.