| Authors: |
Labaeka AA; Department of Paediatrics, College of Medicine, University of Ibadan, Ibadan, Department of Paediatrics, University College Hospital, Ibadan, Nigeria., Falade AG; Department of Paediatrics, College of Medicine, University of Ibadan, Ibadan, Department of Paediatrics, University College Hospital, Ibadan, Nigeria., Addo-Yobo EOD; Kwame Nkrumah University of Science and Technology, Kumasi, Komfo Anokye Teaching Hospital, Kumasi, Ghana., Mortimer K; Liverpool University Hospitals NHS Foundation Trust, Liverpool, UK, University of KwaZulu Natal, Durban., Zurba L; Spirometry Training Services Africa, Durban., Lesosky M; Division of Epidemiology & Biostatistics, School of Public Health, University of Cape Town, Cape Town, South Africa., Ellwood P; Department of Paediatrics, Child and Youth Health, University of Auckland, Auckland, New Zealand., Asher MI; Department of Paediatrics, Child and Youth Health, University of Auckland, Auckland, New Zealand. |