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. 2014 Jan 7;82(1):80–89. doi: 10.1212/01.wnl.0000438224.25600.6c

Figure 2. Dot distribution map made using ArcGIS (Ersi, Redlands, CA).

Figure 2

Each color represents a different World Health Organization region: Europe (light blue), Americas (red), Eastern Mediterranean (green), Western Pacific (brown), Africa (yellow), Southeast Asia (dark blue). Gray dots indicate the location of articles returned in the search. If an article reported data for an entire country, the dot is placed near the middle of the country. One article may be represented by more than one dot if the article reported data from more than one country.