1. Department of Biology, Dalhousie University Halifax, NS, B3H 4J1, Canada E-mail: sadl@dal.ca (S.M.D.)
2. Department of Botany and Zoology, University of British Columbia Vancouver, BC, V6T 1Z4, Canada
3. Department of Biochemistry, Dalhousie University Halifax, NS, B3H 4J1, Canada
4. Lamont-Doherty Earth Observatory Palisades, NY, 10964, USA
5. Department of Zoology, University of Oxford Oxford, OX1 3PS, UK
6. Wadsworth Center, New York State Department of Health Albany, NY, 12201, USA
7. Biologie des Protistes, Université Blaise Pascal de Clermont-Ferrand F63 177, Aubierre cedex, France
8. Center for Ultrastructural Research, Department of Cellular Biology, University of Georgia Athens, GA, 30602, USA
9. Biological Faculty, Herzen State Pedagogical University of Russia St. Petersburg, 191186, Russia
10. Center for Forest Mycology Research, USDA Forest Service, Forest Products Laboratory Luquillo, Puerto Ricos
11. Royal Botanic Garden Edinburgh, EH3 5LR, UK
12. Institute for Biology II, Unit of Cellular Neurobionics, RWTH Aachen University D-52056, Aachen, Germany
13. Medical Technology Program, Department of Microbiology and Molecular Genetics, Michigan State University East Lansing, MI, 48824-1030, USA
14. Department of Phycology, Kobenhavns Universitet Copenhagen, DK-1353, Denmark
15. Biology, Middle Georgia College Cochran, GA, 31014, USA
16. Department of Invertebrate Zoology, Saint Petersburg State University 199034, St. Petersburg, Russia
17. Department of Biological Sciences, University of Arkansas Fayetteville, AR, 72701, USA