aMaastricht University, Maastricht, the Netherlands
bHarvard Center for Population and Development Studies, Harvard University, Cambridge, Massachusetts, USA
cInstitute for Global Health, University College London, London, UK
dDepartment of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
eAfrica Health Research Institute, KwaZulu-Natal
fMRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), University of the Witwatersrand, Johannesburg, South Africa
gUniversity of Goettingen, Department of Economics and Centre for Modern Indian Studies, Goettingen, Germany
hINDEPTH Network, East Legon, Ghana
iHeidelberg University, Heidelberg Institute of Global Health (HIGH), Heidelberg, Germany
jHarvard T.H. Chan School of Public Health, Department of Global Health and Population, Boston, Massachusetts
kThe Demographic and Health Surveys Program, Rockville, Maryland, USA
lMalawi-Liverpool Wellcome Trust Clinical Research Programme, Blantyre, Malawi
mMassachusetts General Hospital, Division of Infectious Diseases, Boston, Massachusetts, USA.
Correspondence to Eva van Empel, MD, Harvard Center for Population and Development Studies, 9 Bow Street, Cambridge, MA 02138, USA. Tel: +1 316 30 662 663; e-mail: [email protected]
Received 1 July, 2021
Revised 26 September, 2021
Accepted 5 October, 2021
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