Taken to task: what is and is not an appropriate response to an ERS guidelines task force?

Affiliations: Ghent University Hospital, Dept of Respiratory Diseases, Ghent, Belgium. National Heart and Lung Institute, Imperial College London, London, UK. Otto Wagner Hospital Vienna, Vienna, Austria. University Hospital of Coimbra, Dept of Pulmonology and Allergy, Coimbra, Portugal. Athens Chest Hospital “Sotiria”, 7th Respiratory Medicine Dept, Athens, Greece. Newcastle University, Newcastle upon Tyne, UK. Evgenidio Hospital, Smoking Cessation Centre, Pulmonary Dept, Athens University, Athens, Greece. Iberoamerican Cochrane Centre, Barcelona, Spain. Maastricht University Medical Center, Respiratory Medicine, Maastricht, The Netherlands. European Lung Foundation. University Hospital Basel, Pulmonary Care Division, Basel, Switzerland. European Respiratory Society, Lausanne, Switzerland. University of Manchester, Centre for Respiratory Medicine and Allergy, UHSM, Manchester, UK. University of Hannover, Pulmonary Medicine, Hannover, Germany. Hospital Universitari Vall d’Hebron, Pneumology Dept, Barcelona, Spain.