?:authorAffiliation
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[\'1UNICEF Niger, Niamey, Niger.\', \'2UNICEF East and Southern African Regional Office, Nairobi, Kenya.\', \'3Department of Population and Family Health, Columbia University, New York, New York.\', \'4Ministry of Health and Sanitation, Freetown, Sierra Leone.\', \'5UNICEF Headquarters, New York, New York.\']
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