RT Journal Article SR Electronic T1 The International Collaboration to Improve Respiratory Health in Children (INCIRCLE) ERS Clinical Research Collaboration JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 1801867 DO 10.1183/13993003.01867-2018 VO 52 IS 6 A1 Peter D. Sly A1 Zoltán Hantos A1 , YR 2018 UL http://erj.ersjournals.com/content/52/6/1801867.abstract AB