%0 Journal Article %T COPD¡¯s early origins in low-and-middle income countries: what are the implications of a false start? %A E. A. Brakema %A F. A. van Gemert %A M. Puhan %A N. H. Chavannes %A R. M. J. J. van der Kleij %A S. Salvi %A the FRESH AIR collaborators %J Archive of "NPJ Primary Care Respiratory Medicine". %D 2019 %R 10.1038/s41533-019-0117-y %X Publisher¡¯s note: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6401185/