Philippe Camus, MD Professor of Pulmonary Medicine, Department of Pulmonary and Critical Care Medicine, Hôpital du Bocage and Université de Bourgogne, Dijon, France Edward C Rosenow III, MD, MS, MACP, Master FCCP Emeritus Professor of Medicine, Former Chair Division of Pulmonary and Critical Care Medicine, Mayo Distinguished Clinician, Mayo Clinic School of Medicine, Rochester, Minnesota, USA