African region | Botswana, Cameroon, Eritrea, Ethiopia, Gambia, Ghana, Kenya, Mali, Nigeria, Rwanda, Uganda, United Republic of Tanzania |
Region of the Americas | Argentina, Brasil, Chile, Cuba, Dominican Republic, Guatemala, Mexico, Paraguay, Peru, Venezuela |
Eastern Mediterranean region | Islamic Republic of Iran, Oman, Pakistan, Qatar |
European region | Russian Federation, Turkmenistan |
South-east Asian region | Bangladesh, Democratic Republic of Timor-Leste, India, Indonesia, Myanmar, Nepal |
Western Pacific region | Cambodia, China, Papua New Guinea, Philippines, Viet Nam |