1. The College, The University of Chicago, Chicago, Illinois, USA
2. Committee on Evolutionary Biology, The University of Chicago, Chicago, Illinois, USA
3. Friday Harbor Laboratories, University of Washington, Friday Harbor, Washington, USA
4. Department of Medicine, The University of Chicago, Chicago, Illinois, USA
5. Committee on Microbiology, The University of Chicago, Chicago, Illinois, USA
6. Biophysical Sciences Program, The University of Chicago, Chicago, Illinois, USA
7. The Ecosystems Center, The Marine Biological Laboratory, Woods Hole, Massachusetts, USA
8. Josephine Bay Paul Center, Marine Biological Laboratory, Woods Hole, Massachusetts, USA
9. Department of Ecology & Evolution, The University of Chicago, Chicago, Illinois, USA