1. School of Chemistry, Division of Surface and Corrosion Science, KTH Royal Institute of Technology, SE-100 44 Stockholm, Sweden
2. Swedish Center for Biomimetic Fiber Engineering (Biomime), KTH Royal Institute of Technology, SE-106 91 Stockholm, Sweden
3. School of Biotechnology, Division of Glycoscience, KTH Royal Institute of Technology, SE-106 91 Stockholm, Sweden
4. YKI, Institute for Surface Chemistry, Box 5607, SE-114 86 Stockholm, Sweden