1. Department of Biology, Knox College , Galesburg, IL 61401 , USA
2. Department of Ecology, Evolution and Organismal Biology, Brown University , Providence, RI 02912 , USA
3. Department of Organismal Biology & Anatomy, The University of Chicago , Chicago, IL 60637 , USA
4. National Renewable Energy Laboratory , Golden, CO 80401 , USA
5. College of Medicine, American University of Antigua , Osbourn , Antigua & Barbuda