Editors Anita K. Simonds Wilfried de Backer NIHR Respiratory Disease Biomedical Dept of Pulmonary Medicine Research Unit University and University Hospital of Royal Brompton and Harefield NHS Antwerp Foundation Trust Edegem, Belgium London, UK wilfried.debacker@ua.ac.be a.simonds@rbht.nhs.uk Authors Stefan Andreas Chiara Baglioni Pneumologische Lehrklinik Dept of Psychiatry and Psychotherapy Universität Göttingen Freiburg University Medical Centre Göttingen, Germany Freiburg, Germany sandreas@lungenfachklinik-immenhausen.de chiara.baglioni@uniklinik-freiburg.de Ferrán Barbé Maria R. Bonsignore Respiratory Diseases Research Unit Biomedical Dept of Internal and Universitari Arnau de Vilanova Specialist Medicine (DiBiMIS) Lleida, Spain/ University of Palermo CIBER de Enfermedades Respiratorias Palermo, Italy Bunyola, Spain marisa@ibim.cnr.it fbarbe@arnau.scs.es An Boudewiyns Gary Cohen Dept of Otorhinolaryngology Dept of Woman and Child Health University Hospital Antwerp Karolinska Institutet Edegem, Belgium Stockholm, Sweden an.boudewyns@uza.be gary.cohen@ki.se Viliam Donic Athanasios Kaditis Dept of Human Physiology and Sleep First Dept of Paediatrics Laboratory University of Athens School of School of Medicine Medi cine and Aghia Sophia Children’s Safarik University Hospital Kosice, Slovakia Athens, Greece viliam.donic@upjs.sk kaditia@hotmail.com Contributors vii