1. Institute of Veterinary Physiology, Vetsuisse Department and Zurich Center for Integrative Human Physiology (ZIHP), University of Zurich, Zurich, Switzerland;
2. Functional Genomics Unit, Roy J. Carver Biotechnology Center, University of Illinois at Urban-Champaign, Urbana, Illinois
3. Laboratory of Molecular Evolution of Animals Institute of Evolution, University of Haifa, Haifa, Israel; and