[1] Department of Biology, Coastal Carolina University, Conway, SC 29528-6054, United States
[2] Department of Plant Pathology, University of Wisconsin-Madison, Madison, WI 53706, United States
[3] Department of Physics, North Carolina State University, Raleigh, NC 27695, United States
[4] Howard Hughes Medical Institute, Chevy Chase, MD 20815, United States
[5] American Society for Microbiology, Washington, DC 20036, United States
[6] National Research Council, Washington, DC 20001, United States
[7] Department of Plant Biology, Michigan State University, East Lansing, MI 48824, United States
[8] Hope College, Holland, MI 49423, United States
[9] Dept. of Curriculum and Instruction, University of Wisconsin-Madison, Madison, WI 53706, United States
[10] Dept. Molec., Cell., Devmtl. Biol., University of Colorado at Boulder, Boulder, CO 80309, United States
[11] Division of Educational Studies, Emory University, Atlanta, GA 30322, United States