Authors: Aran Singanayagam; Kavina Manalan; Saranya Sridhar; Philip L Molyneaux; David W Connell; Peter M George; Anne Kindelerer; Suranjith Seneviratne; Ajit Lalvani; Melissa Wickremasinghe; Onn Min Kon Journal: Thorax Date: 2013-08-23 Impact factor: 9.139