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Overview of the 30 countries included in the study
| WHO Regions | Countries |
|---|---|
| African | Ghana and South Africa |
| American | United States of America, Brazil, Mexico, Chile |
| South-East Asian | India, Nepal, Indonesia |
| European | France, Italy, Romania, Turkey, United Kingdom of Great Britain, Russia, Poland, Croatia |
| Eastern Mediterranean | Jordan, Egypt, Lebanon, Qatar, Saudi Arabia, Iraq, Morocco, Pakistan, Afghanistan |
| Western Pacific | China, Malaysia, South Korea, Australia |
