Susan M. Tarlo, Professor of Medicine, University Health Network and St Michael’s Hospital, Toronto; Department of Medicine, University of Toronto, Ontario, Canada Olivier Vandenplas, Professor of Medicine, Head Department of Chest Medicine, Centre hospitalier Universitaire UCL Namur, Université Catholique de Louvain, Yvoir, Belgium David I. Bernstein, Professor Emeritus of Medicine, Division of Immunology, Allergy and Rheumatology, University of Cincinnati College of Medicine, Cincinnati, Ohio, USA Jean-Luc Malo, Professor of Medicine (retired), Hôpital du Sacré-Coeur de Montréal and Université de Montréal, Montréal, Canada