1. Department of Immunology, Genetics and PathologyUppsala University Dag Hammarskjölds väg 20 SE‐751 85 Uppsala Sweden
2. Department of BioengineeringThe University of Tokyo 7‐3‐1 Hongo Bunkyo‐ku Tokyo 113–8656 Japan
3. Department of Surgical Sciences, Plastic and Maxillofacial SurgeryUppsala University Dag Hammarskjölds väg 20 SE‐751 85 Uppsala Sweden
4. Department of Clinical Sciences, Faculty of Veterinary Medicine and Animal ScienceSwedish University of Agricultural Sciences Almas Allé 8 750 07 Uppsala Sweden
5. Linnaeus Center of Biomaterials ChemistryLinnaeus University SE‐391 82 Kalmar Sweden