1. Department of Animal Breeding and Genetics; Swedish University of Agricultural Sciences; 75007 Uppsala Sweden
2. IHBC AB, Knubbo; 74494 Morgongåva Sweden
3. Department of Medical Biochemistry and Microbiology; Uppsala University; 75123 Uppsala Sweden
4. Department of Veterinary Integrative Biosciences; Texas A&M University; College Station TX 77843 USA
5. Capilet Genetics AB; 72593 Västerås Sweden