1. Department of Integrative Biology and Physiology; University of California, Los Angeles; Los Angeles California 90095
2. Department of Biology; Wake Forest University; Winston-Salem North Carolina 27109
3. Department of Biological and Environmental Sciences; Gothenburg University; Gothenburg Sweden
4. Department of Biology; University of Mississippi, University; Mississippi 38677
5. Laboratory of Neuroendocrinology; University of California; Los Angeles California 90095
6. Department of Ecology and Evolutionary Biology; University of California; Los Angeles California 90095
7. Smithsonian Tropical Research Institute, Balboa; Ancon Panama
8. Department of Radiology; Wake Forest University School of Medicine; Winston-Salem North Carolina 27157