Affiliation: | 1. Department of Oral Microbiology and Immunology, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;2. Department of Oral Prosthetics, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;3. Department of Oral and Maxillofacial Surgery, Institute of Odontology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden;4. Department of Otolaryngology, Head and Neck Surgery, Sahlgrenska Academy, University of Gothenburg, Sahlgrenska University Hospital, Gothenburg, Sweden |