xxvii Eleni G. Tzortzaki Dept of Thoracic Medicine Medical School University of Crete Heraklion, Greece tzortzaki@med.uoc.gr Davide Vallese Fondazione Salvatore Maugeri IRCCS Veruno, Italy vallese.dav@gmail.com Paul Van Houtte Dept of Radiation Oncology Institut Jules Bordet Université Libre de Bruxelles Brussels, Belgium paul.vanhoutte@bordet.be Peter van Luijk University Medical Center Groningen University of Groningen Groningen, the Netherlands p.van.luijk@umcg.nl Hans Van Remoortel Faculty of Kinesiology and Rehabilitation Sciences Dept of Rehabilitation Sciences KU Leuven Leuven, Belgium hans.vanremoortel@faber.kuleuven. be Paul E. Van Schil Dept of Thoracic and Vascular Surgery Antwerp University Hospital Antwerp, Belgium Paul.VanSchil@uza.be Johan Vansteenkiste Respiratory Oncology Unit Dept of Pulmonology University Hospital Leuven Leuven, Belgium johan.vansteenkiste@uzleuven.be Johny A. Verschakelen University Hospitals Leuven Leuven, Belgium Johny.Verschakelen@uzleuven.be Andrea Vianello Respiratory Pathophysiology and Intensive Care Division University City Hospital of Padua Padua, Italy avianello@qubisoft.it Chiara Vicari Fondazione Salvatore Maugeri IRCCS Veruno, Italy chiaravicari@libero.it Giovanni Viegi Pulmonary Environmental Epidemiology Unit, Institute of Clinical Physiology, National Research Council, Pisa and A. Monroy Institute of Biomedicine and Molecular Immunology, National Research Council, Palermo, Italy viegig@ifc.cnr.it Duccio Volterrani Nuclear Medicine University of Pisa Pisa, Italy duccio.volterrani@med.unipi.it