Dr. James Hull is a Consultant Respiratory Physician at the Royal Brompton Hospital in London, UK with interest in severe asthma and exercise physiology and clinical lead for chronic cough and upper airway services. He is also Honorary Senior Lecturer at Imperial College, London and Visiting Fellow, Sports Science, University of Northumbria, Newcastle. His research and areas of expertise include asthma, cough, shortness of breath, reasons for exercise limitation and unexplained hypoxemia. Simon Ward is Chief Clinical Respiratory Physiologist at NIHR Respiratory Biomedical Research Unit, The Royal Brompton & Harefield NHS Foundation Trust and Imperial College, London, UK. As the Respiratory Physiology Unit Manager, he oversees clinical activities at two laboratories: one for routine lung function testing (spirometry, body plethysmography and gas transfer) and one for more specialised procedures and tests. Dr. G.

J Gibson is Professor of Respiratory Medicine, University of Newcastle upon Tyne; and Consultant Respiratory Physician, Freeman Hospital, Newcastle upon Tyne, UK. He has served at President of the European Respiratory Society (2002-3), and President of the British Thoracic Society (2004-5). Dr. Gibson is the recipient of the European Respiratory Society Educational award (2006) and the British Thoracic Society medal (2012). His clinical research interests include sleep apnea, respiratory muscle function, and clinical respiratory medicine.