1. DiBiMIS; University of Palermo and Institute of Biomedicine and Molecular Immunology (IBIM); National Research Council (CNR); Palermo Italy
2. Pneumologie und Allergologie Zentrum für Schlaf- und Beatmungsmedizin; Krankenhaus Bethanien; Solingen Germany
3. Sleep and Respiratory Medicine; University of Edinburgh; Edinburgh UK
4. European Lung Foundation (ELF); Sheffield UK
5. Medical School; Athens University; Athens Greece
6. Sleep Medicine Center; Cuf Porto Hospital; Porto Portugal
7. Department of Respiratory and Sleep Medicine; St Vincent's University Hospital; University College Dublin; Dublin Ireland