1. Department of Clinical Sciences, Swedish University of Agricultural Sciences, SE-75007 Uppsala, Sweden
2. Department of Animal Breeding and Genetics, Swedish University of Agricultural Sciences, SE-75651 Uppsala, Sweden
3. Department of Information Technology, Uppsala University, SE-75105 Uppsala, Sweden
4. Department of Cell and Molecular Biology, Uppsala University, BMC SE-75124 Uppsala, Sweden
5. Welcome Trust Sanger Institute, Hinxton, Cambridge, CB10 1HH, United Kingdom
6. Department of Genetics, University of Santiago de Compostela, ES-27002 Lugo, Galiza, Spain
7. Instituto Gulbenkian de Ciência, Evolutionary Genetics Group, Oeiras, Portugal
8. Statistics Unit, Dalarna University, SE-791 88 Falun, Sweden
9. State Key Laboratory for Agro-Biotechnology, China Agricultural University,100193, Beijing, People’s Republic of China