1. Ocean Ecology Lab, Marine Mammal Institute, Department of Fisheries, Wildlife and Conservation Sciences, Oregon State University, Newport, OR, USA.
2. Ocean Associates, Arlington, VA, USA.
3. Marine Mammal and Turtle Division, National Oceanic and Atmospheric Administration (NOAA) Southwest Fisheries Science Center, La Jolla, CA, USA.
4. Sealife Response, Rehabilitation and Research (SR3), Des Moines, WA, USA.
5. Cascadia Research Collective, Olympia, WA, USA.
6. Office of Protected Resources, National Marine Fisheries Service, Silver Spring, MD, USA.
7. Chesapeake Biological Laboratory, University of Maryland Center for Environmental Science, Solomons, MD, USA.
8. Geosciences Research Division, Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, USA.
9. Nhydra Consulting, Halifax, NS, Canada.
10. Ecology and Evolutionary Biology, University of California, Santa Cruz, Santa Cruz, CA, USA.