1. Department of Veterinary Disease Biology, University of Copenhagen, Stigbøjlen 4, 1870 Frederiksberg, Denmark
2. Department of Biological Sciences, Alberta Innovates Centre for Carbohydrate Science, University of Alberta, 11455 Saskatchewan Drive, Edmonton, Alberta T6G 2E9, Canada
3. Institute for Biological Sciences, National Research Council of Canada, 100 Sussex Drive, Ottawa, Ontario K1A OR6, Canada
4. National Food Institute, Technical University of Denmark, Mørkhøj Bygade 19, 2860 Søborg, Denmark