1. Department of Biology, Washington University in St. Louis, St Louis, MO, United States of America
2. Department of Biology, Colby College, Waterville, ME, United States of America
3. Department of Biology, University of Central Arkansas, Conway, AR, United States of America
4. Department of Biological Sciences, Southern Illinois University at Edwardsville, Edwardsville, IL, United States of America
5. Department of Earth and Planetary Sciences, Washington University in St. Louis, St Louis, MO, United States of America
6. Department of Earth and Planetary Sciences, Division of Biology and Biomedical Sciences, Washington University in St. Louis, St Louis, MO, United States of America