Affiliation: | 1. Control of Hypersensitivity Diseases Team, Finnish Institute of Occupational Health, , Helsinki, Finland;2. Occupational Medicine Team, Finnish Institute of Occupational Health, , Helsinki, Finland;3. Department of Otolaryngology– Head and Neck Surgery, University of Pennsylvania, , Philadelphia, Pennsylvania, U.S.A;4. Department of Pulmonary Diseases and Allergology, University of Turku, , Turku, Finland;5. Department of Otorhinolaryngology–Head and Neck Surgery, University of Turku, , Turku, Finland;6. Unit of Systems Toxicology, Finnish Institute of Occupational Health, , Helsinki, Finland;7. Imaging Center, Central University Hospital of Turku, , Turku, Finland;8. Department of Otolaryngology– Head and Neck Surgery, Temple University, , Philadelphia, Pennsylvania, U.S.A |