Funding for this research was provided by:
Eunice Kennedy Shriver National Institute of Child Health and Human Development (1R01HD083374)
Foundation for the National Institutes of Health (P2CHD041020)
National Department of Science and Innovation South Africa (South African Population Research Infrastructure Network (SAPRIN))
Wellcome Trust (058893/Z/99/A; 069683/Z/02/Z; 085477/Z/08/Z; 085477/B/08/Z)
South African Medical Research Council (South African Population Research Infrastructure (SAPRIN), Carren Ginsburg's Career Development Award)
Received: 18 January 2020
Accepted: 8 March 2021
First Online: 20 March 2021
: The Migrant Health Follow-Up Study was reviewed by the University of the Witwatersrand Human Research Ethics Committee (Medical). The study was approved (clearance certificate number M170277). Consent for participation in the study was received in writing from all participants who were interviewed face-to-face. Permission was received from the University of the Witwatersrand Human Research Ethics Committee (Medical) to obtain verbal consent for interviews conducted telephonically in instances where migrant participants were located remotely.
: Not applicable.
: The authors declare that they have no competing interests.