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. 2020 Aug 10;17(16):5775. doi: 10.3390/ijerph17165775

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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Countries included in the study. Note: 1 = Afghanistan; 2 = Algeria; 3 = Bangladesh; 4 = Bolivia; 5 = Botswana; 6 = Burkina Faso; 7 = Cambodia; 8 = Cameroon; 9 = Chad; 10 = Colombia; 11 = Cote d’Ivoire; 12 = Democratic Republic of the Congo; 13 = Dominican Republic; 14 = Ecuador; 15 = Ethiopia; 16 = Guatemala; 17 = Guinea; 18 = Haiti; 19 = India; 20 = Indonesia; 21 = Iran; 22 = Iraq; 23 = Jordan; 24 = Kenya; 25 = Kyrgyzstan; 26 = Lebanon; 27 = Libya; 28 = Mali; 29 = Mozambique; 30 = Namibia; 31 = Nepal; 32 = Niger; 33 = Nigeria; 34 = Pakistan; 35 = Peru; 36 = Philippines; 37 = Sierra Leone; 38 = Sri Lanka; 39 = Tajikistan; 40 = Tanzania; 41 = Tunisia; 42 = Turkey; 43 = Vietnam; 44 = Yemen; 45 = Zambia. Source: Authors’ development.