1. The Roslin Institute, University of Edinburgh, EH25 9RG, Edinburgh, United Kingdom.
2. Genetics Core, Edinburgh Clinical Research Facility, The University of Edinburgh, EH4 2XU, Edinburgh, United Kingdom.
3. Institute of Genome Biology, Research Institute for Farm Animal Biology (FBN), 18196 Dummerstorf, Germany.
4. Faculty of Agricultural and Environmental Sciences, University Rostock, 18059 Rostock, Germany.
5. Livestock Gentec, Department of Agricultural, Food and Nutritional Science, University of Alberta, T6G 2R3, Edmonton, Canada.
6. Unit of Animal Genomics, GIGA Institute, University of Liège, 4000 Liège, Belgium
7. Faculty of Veterinary Medicine, University of Liège, 4000 Liège, Belgium.