Funding for this research was provided by:
Wellcome Trust (095909/Z/11/Z)
Global Health Innovation and Technology Fund (G2014-108)
Bill and Melinda Gates Foundation (OPP1135840, A128488)
University of Texas Southwestern Department of Pediatrics Horchow Family Fund (5300375400)
National Health and Medical Research Council (APP1135955)
National Health and Medical Research Council Program Grant (1132975)
Received: 12 August 2021
Accepted: 13 July 2022
First Online: 3 August 2022
: The IBSM studies were approved by the QIMR Berghofer Medical Research Institute Human Research Ethics Committee. The study protocol for the Namibia longitudinal cohort study was approved by the Research Unit of the Ministry of Health and Social Services of Namibia, the University of Namibia Research Ethics Committee and the University of California, San Francisco Committee for Human Research. All participants recruited for the study or their parents/guardians provided written consent.
: Not applicable.
: All authors declare that they have no competing interests.