1. Department of Veterinary Integrative Biosciences, Texas A&M University, College Station, TX 77843, USA.
2. Center for Comparative Genomics and Bioinformatics, Pennsylvania State University, University Park, PA 16802, USA.
3. Sperling Foundation, Eugene, OR 97405, USA.
4. Department of Animal Physiology, University of Bayreuth, D-95440 Bayreuth, Germany.
5. Zoological Institute, Johann Wolfgang Goethe-University, D-60054 Frankfurt/Main, Germany.