Financial & competing interests disclosure
RA Adegbola is an employee of the Bill & Melinda Gates Foundation. He is the senior project officer for the PERCH project; OS Levine is the project’s principal investigator. The authors have no other relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript apart from those disclosed.
No writing assistance was utilized in the production of this manuscript.