1. Groningen Institute for Evolutionary Life Sciences, University of Groningen, Groningen, Netherlands.
2. Center for Coastal Studies, Provincetown, MA, USA.
3. Greenland Institute of Natural Resources, Copenhagen, Denmark.
4. National Institute of Aquatic Resources, Kongens Lyngby, Denmark.
5. Mingan Island Cetacean Study Inc., St. Lambert, Quebec, Canada.
6. Scottish Oceans Institute, University of St. Andrews, St. Andrews, UK.