[1] Military Hospital,Pulmonology Department
[2] Panamericana Clinic,Department of Respiratory Medicine
[3] Santa Maria Clinic,Department of Respiratory Medicine – Intensive Care
[4] Regional Hospital of Guayaquil,Department of Pneumology – Intensive Care
[5] Military Hospital,Intensive Care Medicine, Santa Maria Clinic
[6] Intensive Care Medicine Panamericana Clinic and Ecuadorian Institute Social Security (IESS),undefined
[7] Universidad San Francisco de Quito,undefined
[8] Intensive Care Unit and Pneumology Services of the Hospital JM Morales Meseguer,undefined