1Meakins-Christie Laboratories, McGill University, St Urbain, Montreal, Quebec, Canada.
2Dept of Pathology and Molecular Medicine, McMaster University, Hamilton, Ontario, Canada.
3Division of Infection, Inflammation and Repair, Respiratory Cell & Molecular Biology, Southampton General Hospital, Southampton, UK.
4Dept of Respiratory Medicine, Lund University Hospital, Lund, Sweden.
5Dept of Pneumology, Hospital of Sart Tilman, Liege, Belgium.
6Firestone Institute for Respiratory Health, 50 Charlton Avenue East, Hamilton, Ontario, L8N 4A6, Canada.
7Dept of Internal Medicine, Section of Immunoallergology and Respiratory Disease, University of Florence, Florence, Italy. }} Dept of Respiratory Medicine,
8Salvatore Maugeri Foundation, Care and Research Institute, Cassano delle Murge, Italy.
9University of Antwerp, Antwerp, Belgium