1. Department of Animal Science; University of California-Davis; Meyer Hall OneShields Avenue, Davis CA 95616 U.S.A.
2. Department of Environmental Sciences; Wright State University; 3640 Colonel Glenn Hwy, Dayton OH 45435 U.S.A.
3. Center for Evolutionary Medicine and Informatics; The Biodesign Institute; Arizona State University; Tempe AZ 85287 U.S.A.