Patrizia Pignatti Allergy and Immunology Unit Fondazione Salvatore Maugeri IRCCS Pavia, Italy patrizia.pignatti@fsm.it Massimo Pistolesi Section of Respiratory Medicine Dept of Experimental and Clinical Medicine University of Florence Florence, Italy massimo.pistolesi@unifi.it Riccardo Pistelli Catholic University Columbus Hospital Rome, Italy riccardopistelli@h-columbus.it Alessandro Pitruzzella Fondazione Salvatore Maugeri IRCCS Veruno, Italy alexpitruzzella@libero.it Giovanni Poletti Hematology Laboratory Area Vasta Romagna Pievesestina, Italy gpoletti1958@gmail.com Venerino Poletti Department of Diseases of the Thorax Ospedale GB Morgagni Forlì, Italy venerino.poletti@gmail.com xxiv Federica Pulvirenti Dept of Clinical Medicine Reference Centre for Primary Immunodeficiencies Sapienza University of Rome Rome, Italy federica.pulvirenti@hotmail.it Isabella Quinti Dept of Molecular Medicine Reference Centre for Primary Immunodeficiencies Sapienza University of Rome Rome, Italy isabella.quinti@uniroma1.it Elisabeth Quoix University of Strasbourg University Hospital Strasbourg, France equoix@gmail.com Klaus F. Rabe Centre for Pneumology and Thoracic Surgery Grosshansdorf Hospital Grosshansdorf, Germany k.f.rabe@kh-grosshansdorf.de Anna Rask-Anderson Uppsala University Uppsala, Sweden anna.rask-andersen@medsci.uu.se Luca Richeldi Centre for Rare Lung Disease Dept of Medical and Surgical Sciences University of Modena and Reggio Emilia Modena, Italy luca.richeldi@unimore.it