1. Faculty of Medical Sciences, University of Guayaquil, Guayaquil, Ecuador
2. Intensive Care Unit, Ecuadorian Institute of Social Security (IESS), Babahoyo, Ecuador
3. Intensive Care Medicine, Ecuadorian Institute of Social Security (IESS), Guayaquil, Ecuador
4. Faculty of Medical Sciences, Universidad Espíritu Santo, Samborondon, Ecuador
5. School of Medicine, Universidad San Francisco de Quito, Quito, Ecuador
6. Critical Care Unit, Hospital de los Valles, Quito, Ecuador