About the Author

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Jeremy P.T. Ward, PhD, Emeritus Professor of Respiratory Cell Physiology, Asthma UK Centre in Allergic Mechanisms of Asthma, Faculty of Life Sciences and Medicine, King's College London, London, UK. Jane Ward, MBChB, PhD, Senior Lecturer (retired), Department of Physiology, King's College London, London, UK. Richard M. Leach, MD, FRCP, Medical Director, Cardiorespiratory and Critical Care Medicine Guy's and St Thomas' Hospital Trust, and Honorary Professor of Medicine Kings College London, London, UK.