1. School of Environmental Sciences, University of Liverpool, Liverpool L3 5DA, United Kingdom
2. Ipar Perspective Asociación Karabiondo Kalea, Bilbao 48600, Spain
3. Research and Development Seismology and Acoustics, Royal Netherlands Meteorological Institute, Utrecht 3731GA, Netherlands
4. Department of Geoscience and Engineering, Delft University of Technology, Delft 2628CD, Netherlands
5. Department of Wildlife Ecology and Conservation, Fort Lauderdale Research and Education Center, University of Florida, Davie, FL 33314
6. Institute of Marine Sciences, University of California, Santa Cruz, CA 95064
7. Department of Botany and Zoology, Stellenbosch University, Cape Town 7602, South Africa
8. Global Fishing Watch, Washington, DC 20036
9. Ecology of Marine Birds and Mammals, Centre d’Étude Biologique de Chizé, Villiers-en-Bois 79360, France
10. International Monitoring System Division, Comprehensive Nuclear-Test-Ban Treaty Organization, Vienna 1400, Austria