1. School of Health, Universidad Espíritu Santo-Ecuador, Samborondón 092301, Guayas, Ecuador
2. Research Center, Universidad Estatal de Milagro, Milagro 091050, Guayas, Ecuador
3. Interdisciplinary Centre for Health Studies (CIESAL), Department of Public Health, School of Medicine, Faculty of Medicine, Universidad de Valparaíso, Valparaíso 2362735, Chile
4. Research Department, Ecuadorian Development Research Lab, Daule 090656, Guayas, Ecuador
5. Research Department, Respiralab Research Group, Guayaquil 090512, Guayas, Ecuador