Map 1

Location of A the State of Chiapas, Mexico in B the border with Guatemala, where C the city of Tapachula is located. Participants were enrolled in 4 participating health care centers and lived in the urban area of Tapachula and 14 rural municipalities in its periphery (C). The red dots in maps C and D indicate the neigborhood or communities of residence of participants. The numbers in black in map C indicate the quantity of participants living in the community enrolled in the study. Each red dot in map E represent an individual participant distributed in the communities around the city of Tapachula. Map developed by Taller de Analisis Espacial (http://taearquitectos.com.mx/) using OpenStreetMap ( https://www.openstreetmap.org/#map=5/38.007/-95.844) and QGIS 3.2 (https://qgis.org/en/site/about/index.html) themed with own data. QGIS is a free and open-source General Public License (GNU) Geografic Information System (GIS). OpenStreetMap (OSM) is a free Open Database Licence (ODbl) editable map of the world