About the Author
- Stephen D. Cairns
- Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, Washington, D.C., United States of America
The author has declared that no competing interests exist.
Conceived and designed the experiments: SDC. Performed the experiments: SDC. Analyzed the data: SDC. Contributed reagents/materials/analysis tools: SDC. Wrote the paper: SDC.