1. Department of Marine Biology Texas A&M University at Galveston Galveston TX USA
2. Now at Woods Hole Coastal and Marine Science Center U.S. Geological Survey Woods Hole MA USA
3. Now at Department of Marine Chemistry and Geochemistry Woods Hole Oceanographic Institution Woods Hole MA USA
4. Woods Hole Coastal and Marine Science Center U.S. Geological Survey Woods Hole MA USA
5. Lowell Instruments North Falmouth MA USA
6. Onset Computer Corporation Bourne MA USA
7. Department of Marine Chemistry and Geochemistry Woods Hole Oceanographic Institution Woods Hole MA USA
8. Moody Gardens Aquarium Galveston TX USA
9. Chesapeake Biological Laboratory University of Maryland Center for Environmental Science Solomons MD USA