1. Department of Pediatrics; Turku University Hospital; Turku Finland
2. Swiss Institute of Allergy and Asthma Research (SIAF); University of Zürich; Christine Kühne-Center for Allergy Research and Education (CK-CARE); Davos Switzerland
3. Department of Biochemistry and Molecular Biology; School of Chemistry; Complutense University of Madrid (UCM); Madrid Spain
4. Department of Virology; University of Turku; Turku Finland
5. Department of Computer Engineering; Bilkent University; Ankara Turkey
6. Department of Otorhinolaryngology; Turku University Hospital; Turku Finland
7. Department of Otorhinolaryngology; Satakunta Central Hospital; Pori Finland
8. Department of Clinical Microbiology; Karolinska University Hospital; Stockholm Sweden
9. Department of Biostatistics; University of Turku; Turku Finland