1. Unit of Animal Genomics; GIGA-R & Faculty of Veterinary Medicine; University of Liège; Bd de Colonster B43 4000 Liège Belgium
2. Unit of Livestock Genetics; Division of Gene Technology; Department of Biosystems; KU Leuven; Kasteelpark Arenberg 30 3001 Leuven Belgium
3. (The Norwegian Pig Breeders Association) NORSVIN; Hamar Norway