1. Veterinary Genetics Laboratory, School of Veterinary Medicine; University of California-Davis; Davis CA
2. Department of Population Health and Reproduction, School of Veterinary Medicine; University of California-Davis; Davis CA
3. Department of Animal Science; University of Nebraska - Lincoln; Lincoln NE
4. Institute for Genetics University of Bern; Bern Switzerland
5. Department of Biomedical Sciences, University of Veterinary Medicine Vienna; Institute of Animal Breeding and Genetics; Vienna Austria
6. Department of Surgical & Radiological Sciences, School of Veterinary Medicine; University of California-Davis; Davis CA