Section of Immunology, Wright-Fleming Institute, School of Medicine, Imperial College London, London, United Kingdom.|Department of Biological Sciences, University of Maryland Baltimore County (UMBC), Baltimore, Maryland, United States of America.|Lung Immunology Group, Section of Infectious Diseases and Immunity, Hammersmith Hospital, Department of Medicine, Imperial College London, London, United Kingdom.|Lung Immunology Group, Section of Infectious Diseases and Immunity, Hammersmith Hospital, Department of Medicine, Imperial College London, London, United Kingdom.|CEA-Saclay, Institute of Biology and Technologies, SIMOPRO, Labex LERMIT, Labex VRI, Gif Sur Yvette, France.|Institute of Cellular Medicine, Newcastle University, Newcastle upon Tyne, United Kingdom.|Centre for Research and Development of Medical Diagnostic Laboratories, Faculty of Associated Medical Sciences, Khon Kaen University, Khon Kaen, Thailand.|Lung Immunology Group, Section of Infectious Diseases and Immunity, Hammersmith Hospital, Department of Medicine, Imperial College London, London, United Kingdom.|Lung Immunology Group, Section of Infectious Diseases and Immunity, Hammersmith Hospital, Department of Medicine, Imperial College London, London, United Kingdom.|Section of Immunology, Wright-Fleming Institute, School of Medicine, Imperial College London, London, United Kingdom.