Author contribution
All authors contributed to the conception and design of this work as well as the analysis and interpretation of data. Data acquisition was done by IH-P (neonatal data) and ET (lung function testing). All authors have had complete access to the study data. CH wrote the first draft. All authors revised the text, have approved the version to be published, and agree to be accountable for all aspects of the work in ensuring that questions related to the accuracy or integrity of any part of the work are appropriately investigated and resolved.