1. Department of Pulmonology, University Hospital of Nancy, Nancy, France
2. EA3450 DevAH - Development, Adaptation and Disadvantage, Cardio-respiratory Regulations and Motor Control, University of Lorraine, Nancy, France
3. Department of Pulmonology, University Hospital Centre Osijek, Osijek, Croatia
4. Medical Faculty Osijek, J.J. Strossmayer University, Osijek, Croatia
5. Medical University of Sofia, Sofia, Bulgaria
6. Allergy Unit, Internal Consulting Department, University Hospital “St. George”, Plovdiv, Bulgaria
7. Department of Chest Diseases, Gazi University School of Medicine, Ankara, Turkey
8. Babes University of Medicine and Pharmacie, Timisoara, Romania
9. Respiratory and Allergy Department, University of Genoa, Ospedale Policlinico San Martino, Genoa, Italy