The study was conducted in major urban and trading centers in Angola, Congo, The Republic of Congo, Ethopia, Gabon, Kenya, Malawi, Mozambique
Uphononongo lwenziwe kumaziko amakhulu eedolophu eAngola, eCongo, kwiRepublic of Congo, eEthopia, eGhabon, eGhana, eKenya, eMalawi, eMozambique