1. Department of Biochemistry and Molecular Biology, The Pennsylvania State University, University Park, Pennsylvania 16802
2. Department of Molecular Physiology and Biological Physics, University of Virginia School of Medicine, Charlottesville, Virginia 22908
3. Department of Chemical Engineering, The Pennsylvania State University, University Park, Pennsylvania 16802
4. Department of Chemical Engineering, University of Washington, Seattle, Washington 98105
5. Division of Glycoscience, School of Biotechnology, Royal Institute of Technology (KTH), Stockholm, SE-10691, Sweden
6. Australian Research Council Centre of Excellence in Plant Cell Walls, School of Agriculture, Food and Wine, University of Adelaide, Urrbrae 5064, South Australia, Australia