1. Swiss Institute of Allergy and Asthma Research (SIAF) University of Zurich Davos Switzerland
2. Department of Pathophysiology and Allergy Research Medical University of Vienna Vienna Austria
3. Christine Kühne—Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
4. Department of Pediatrics and Adolescent Medicine Turku University Hospital and University of Turku Turku Finland
5. Department of Clinical Virology Turku University Hospital Turku Finland
6. Department of Virology University of Turku Turku Finland