Kurunthachalam Kannan,^* Simonetta Corsolini,^** Takashi Imagawa,^*** Silvano Focardi,^**** John P. Giesy<sup>*****


*</sup>Kurunthachalam Kannan, PhD, is a Visiting Associate Professor at National Food Safety and Toxicology Center in Michigan State University, East Lansing, Michigan, USA. His address: National Food Safety and Toxicology Center, Department of Zoology, Institute for Environmental Toxicology, Michigan State University, East Lansing, MI 48824, USA. kuruntha@msu.edu
^**Simonetta Corsolini, PhD, is a research scientist at Department of Environmental Biology, University of Siena, Italy. Her address: Dipartimento di Scienze Ambientali, Università di Siena, I-53100 Siena, Italy. corsolini@unisi.it
^***Takashi Imagawa, PhD, is a senior research scientist at National Institute for Resources and Environment, Tsukuba, Japan. His address: National Institute for Resources and Environment, 16-3 Onogawa, Tsukuba, Ibaraki 305, Japan.
^****Silvano Focardi, PhD, is a professor at Department of Environmental Biology, University of Siena, Italy. His address: Dipartimento di Scienze Ambientali, Università di Siena, I-53100 Siena, Italy.
^*****John P. Giesy, PhD, is a distinguished professor of Department of Zoology, National Food Safety and Toxicology Center and Institute for Environmental Toxicology at Michigan State University. His address: National Food Safety and Toxicology Center, Department of Zoology, Institute for Environmental Toxicology, Michigan State University, East Lansing, MI 48824, USA. jgiesy@aol.com