1. Environmental Sciences Division Oak Ridge National Laboratory Oak Ridge Tennessee USA
2. Bowling Green State University Bowling Green Ohio USA
3. Department of Ecology, Evolution and Marine Biology University of California Santa Barbara California USA
4. Lakeland University Plymouth Wisconsin USA
5. Department of Fisheries and Wildlife Michigan State University East Lansing Michigan USA
6. Center for Molecular Medicine Cologne, University Hospital Cologne Germany
7. US Army Engineer Research and Development Center Vicksburg Mississippi USA
8. Research Institute Gaiac Aachen Germany