Does the routine use of spirometry improve clinical outcomes in children?-A systematic review.

"CONFLICT OF INTEREST The authors declare no conflicts of interest."

"We are grateful to the librarian of the University of Queensland for providing guidance on the systematic review process. We also thank members of Cough & Airway Research Group at Australian Centre for Health Services Innovation for supporting this study. This study was not funded. Wicharn Boonjindasup is supported by a Charles Darwin University PhD scholarship. Anne B. Chang is supported by an Australian National Health and Medical Research Council (NHMRC) Practitioner Fellowship (APP1058213) and a top‐up fellowship from the Children's Hospital Foundation (Grant 50286). Julie M. Marchant is supported by an Early Career Fellowship Grant from Queensland Children's Hospital Foundation (RPC0772019). Open access publishing facilitated by Charles Darwin University, as part of the Wiley ‐ Charles Darwin University agreement via the Council of Australian University Librarians."

"Cochrane methodology for systematic reviews of interventions was used and the protocol prospectively registered (PROSPERO, CRD42020171219). PROSPERO registration: CRD42020171219"