The Global Asthma Network rationale and methods for Phase I global surveillance: prevalence, severity, management and risk factors
Philippa Ellwood, M. Innes Asher, Nils E. Billo, Karen Bissell, Chen-Yuan Chiang, Eamon M. Ellwood, Asma El-Sony, Luis GarcĂa-Marcos, Javier Mallol, Guy B. Marks, Neil E. Pearce, David P. Strachan
European Respiratory Journal Jan 2017, 49 (1) 1601605; DOI: 10.1183/13993003.01605-2016