Affiliation: | 1. Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, Uppsala, Sweden;2. National Oral Disability Centre, The Institute for Postgraduate Dental Education, J?nk?ping, Sweden;3. Correspondence to: Niklas Dahl, M.D., Ph.D., Department of Immunology, Genetics and Pathology, Science for Life Laboratory, Uppsala University, BMC, Box 815, 751 08 Uppsala, Sweden.;4. E‐mail: |