1. Division of Respiratory and Allergic Diseases Department of Chest Diseases High Specialty A. Cardarelli Hospital Naples Italy
2. Medical School of Specialization in Respiratory Diseases University of Naples Federico II Naples Italy
3. Swiss Institute of Allergy and Asthma Research (SIAF) University Zurich Davos Switzerland
4. Christine Kühne ‐ Center for Allergy Research and Education Davos Switzerland