1. Department of Immunology, Rheumatology and Allergy; Healthy Ageing Research Centre, Medical University of Lodz, Lodz, Poland.
2. Department of Microbiology and Laboratory Medical Immunology, Medical University of Lodz, Lodz, Poland.
3. Department of Pneumonology and Allergy, Medical University of Lodz, Lodz, Poland.
4. Department of Rheumatology, Medical University of Lodz, Lodz, Poland.
5. Allergy Research Centre, 2nd Pediatric Clinic, National Kapodistrian, University of Athens, Athens, Greece.
6. National Heart and Lung Institute, Imperial College London, London, UK; Asthma UK Centre in Allergic Mechanisms of Asthma.