| Authors: |
Koivikko T; Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland.; Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland., Rodrigues PC; Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland.; Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland., Vehviläinen M; Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland., Hyvönen P; Department of Health and Social Management, University of Eastern Finland, Kuopio, Finland.; Finnish Student Health Service, Helsinki, Finland., Sundquist E; Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland.; Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland., Arffman RK; Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland.; Research Unit of Biomedicine, Faculty of Medicine, University of Oulu, Oulu, Finland., Al-Samadi A; Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland., Välimaa H; Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland.; Department of Virology, University of Helsinki, Helsinki, Finland.; HUSLAB, Department of Virology, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland., Salo T; Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland.; Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland.; Department of Oral and Maxillofacial Diseases, University of Helsinki, Helsinki, Finland.; HUSLAB, Department of Pathology, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland., Risteli M; Research Unit of Population Health, Faculty of Medicine, University of Oulu, Oulu, Finland.; Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland. |
