1. Wellcome Trust Clinical Research Fellow in the Centre for Inflammation and Tissue Repair, University College London and Honorary Specialist Registrar, Department of Thoracic Medicine, University College London Hospital, London WC1E 6JF
2. Associate Professor in the Department of Pulmonary Medicine, The University of Texas MD Anderson Cancer Centre, Houston
3. Professor and Chair in the Department of Pulmonary Medicine, The University of Texas MD Anderson Cancer Centre, Houston
4. Professor of Respiratory Infection, Centre for Inflammation and Tissue Repair, University College London and Consultant Respiratory Physician, Department of Thoracic Medicine, University College London Hospital, London