1. Department of Biomaterials, Institute of Clinical Dentistry, University of Oslo, 0455 Oslo, Norway
2. Nordic Institute of Dental Materials, 0855 Oslo, Norway
3. Department of Chemistry and Chemical Engineering, Chalmers University of Technology, 412 58 Göteborg, Sweden
4. James Watt School of Engineering, University of Glasgow, G12 8QQ Glasgow, UK
5. Molecular Vista, San Jose, CA 95119, USA
6. Department of Biosciences, The Faculty of Mathematics and Natural Sciences, University of Oslo, 0371 Oslo, Norway