1. Oxy Solutions, Gaustadalléen 21, 0349 Oslo, Norway
2. Chemistry, Biomaterials and Textiles, RISE Research Institutes of Sweden, Box 857, SE-50115 Borås, Sweden
3. Department of Laboratory Medicine, Institute of Biomedicine, Gothenburg University, 405 30 Gothenburg, Sweden
4. RISE PFI, Høgskoleringen 6b, 7491 Trondheim, Norway