1. Centre for Social Evolution, Section for Ecology and Evolution, Department of Biology, University of Copenhagen, Copenhagen, Denmark
2. Department of Chemical and Biochemical Engineering, Technical University of Denmark, Kongens Lyngby, Denmark
3. Laboratory of Genetics, Wageningen University, Wageningen, The Netherlands
4. Department of Plant and Environmental Sciences, Section for Plant Glycobiology, University of Copenhagen, Frederiksberg, Denmark
5. Carlsberg Research Laboratory, Copenhagen, Denmark