1. DuPont, Wilmington, Delaware, USA
2. U.S. Geological Survey, Columbia, Missouri, USA
3. National Institutes of Health, Bethesda, Maryland, USA
4. Colorado State University, Fort Collins, Colorado, USA
5. National Oceanic and Atmospheric Administration, Seattle, Washington, USA
6. Unilever, Sharnbrook, United Kingdom
7. U.S. Fish & Wildlife Service, Arlington, Virginia, USA
8. National Institute of Water and Atmospheric Research, Hamilton, New Zealand
9. Western Washington University, Bellingham, Washington, USA
10. Norwegian Institute for Water Research, Oslo, Norway