1. Flanders Research Institute for Agriculture, Fisheries and Food (ILVO), Melle, Belgium
2. Department of Nutrition, Genetics and Ethology, Ghent University, Merelbeke, Belgium
3. Study Commission on Pigs, EAAP, Roma, Italy
4. Topigs Norsvin Research Center, AA Beuningen, The Netherlands
5. Agroscope, Posieux, Switzerland
6. Department of Agricultural and Food Sciences (DISTAL), University of Bologna, Bologna, Italy
7. School of Agriculture and Food Science, University College Dublin, Belfield, Dublin, Ireland
8. Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, Uppsala, Sweden