1. a Marine Biotoxins Program, Center for Coastal Environmental Health and Biomolecular Research, NOAA National Ocean Service, Charleston, SC 29412; Tel (voice): 843-762-8529, Tel(fax): 843-762-8700; fran.vandolah@noaa.gov
2. b Department of Wildlife and Fisheries Sciences, Texas A&M University, College Station, TX 77843-2258
3. c US Environmental Protection Agency, National Health and Environmental Effects Research Laboratory, Gulf Ecology Division, Gulf Breeze, FL 32561