1. National Institute of Standards and Technology, Hollings Marine Laboratory, 331 Fort Johnson Road, Charleston, South Carolina 29412, United States
2. National Oceanic and Atmospheric Administration, National Centers for Coastal Ocean Science, 1305 East-West Highway, Silver Spring, Maryland 20910, United States
3. Consolidated Safety Services, 10301 Democracy Lane, Suite 300, Fairfax, Virginia 22030, United States