1. CNR; Institute of Biomedicine and Molecular Immunology; Palermo Italy
2. DiBiMIS; University of Palermo; Palermo Italy
3. Sleep Unit; Department of Pneumology; Democritus University of Thrace; Alexandroupolis Greece
4. Department of Chest Diseases; Ege University School of Medicine; Izmir Turkey
5. ENT Department; Førde Central Hospital; Førde Norway
6. School of Medicine and Medical Science; University College Dublin; Dublin Ireland
7. Pulmonary and Sleep Disorders Unit; St Vincent's University Hospital; Dublin Ireland
8. INSERM, Laboratoire HP2, and CHU de Grenoble, Pôle Thorax et Vaisseaux; Université Grenoble Alpes; Grenoble France
9. Multidisciplinary Sleep Disorders Centre; Antwerp University Hospital and University of Antwerp; Edegem-Antwerp Belgium
10. Sleep Medicine; Sahlgrenska University Hospital and Sahlgrenska Academy; Gothenburg Sweden