Fig 1. Map of localities of residence of volunteers screened by abdominal ultrasound in the Monte Patria municipality, Limarí province, Coquimbo region, Chile.
Locality names in bold indicate the places where the ultrasound screening hubs were set-up in the study area. (Map made in QGIS Geographic Information System. Open Source Geospatial Foundation Project. http://qgis.osgeo.org. Shapes downloaded from an open source from the Biblioteca del Congreso Nacional, Available at https://www.bcn.cl/siit/mapas_vectoriales/index_html).
