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Hong H, Mújica OJ, Anaya J, et al. The Challenge of Universal Eye Health in Latin America: distributive inequality of ophthalmologists in 14 countries. BMJ Open 2016;6: e012819.
In the following sentence, the number 2.8 should read 2.7, as it refers to the value 2.7 used earlier in the paragraph:
“The fact that all other countries involved in this study have means above the suggested threshold of 2.8 only further highlights the existence of alternative factors that perpetuate poor eye health other than insufficient human resources.”