.Publisheru00e2 $ s take note Springer Attribute stays neutral for jurisdictional cases in posted maps and also institutional affiliations.This is actually a recap of: Hanson, C. et al. A time-stratified, caseu00e2 $ "crossover research study of warm visibility and perinatal mortality coming from 16 medical facilities in sub-Saharan Africa. Nat. Medication. https://doi.org/10.1038/s41591-024-03245-7 (2024 ).