iii Paolo Palange Department of Public Health and Infectious Diseases Sapienza University of Rome Rome, Italy paolo.palange@uniroma1.it Anita K. Simonds NIHR Respiratory Disease Biomedical Research Unit Royal Brompton and Harefield NHS Foundation Trust London, UK a.simonds@rbht.nhs.uk Frank Smeenk Dept of Pulmonology Catharina Hospital Eindhoven, The Netherlands frank.smeenk@catharinaziekenhuis.nl Robin Stevenson Retired consultant physician Glasgow Royal Infirmary Glasgow, UK robstevenson@doctors.org.uk Robert Thurnheer Ambulante Medizinische Diagnostik Kantonsspital Münsterlingen, Switzerland robert.thurnheer@stgag.ch Eleftherios Zervas 7th Pulmonary Dept Athens Chest Hospital Athens, Greece lefzervas@ath.forthnet.gr