1 Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, and The Children’s Medical Institute, National University Hospital, Singapore Address for Correspondence: Dr Lynette Shek, Department of Paediatrics, Yong Loo Lin School of Medicine, National University of Singapore, 5 Lower Kent Ridge Road, Singapore 119074. Email: [email protected] Asthma today a...