L.A. Sánchez-Hurtado a, b, C. Terán-Godínez a, A. Herrera-Gómez a, J.M. Arredondo-Armenta a, H. Guevara-García a, F.J. García-Guillén a, A. Meneses-García a, T. Juárez-Cedillo c, d, S.A. Ñamendys-Silva a, e, ⁎
a Department of Critical Care Medicine, Instituto Nacional de Cancerología, avenue San Fernando 22, Col. Sección XVI, Delegación Tlalpan, CP 14080, Mexico City, Mexico
b Department of Critical Care Medicine, Hospital Especialidades, Centro Médico Nacional La Raza, Mexican Institute of Social Security, Mexico city, Mexico
c Clinical Epidemiology Research Unit, Dr Carlos McGregor Sánchez Regional General Hospital No. 1, Mexican institute of social security, Mexico city, Mexico
d Faculty of High Studies (FES) Zaragoza, National Autonomous University of Mexico, Mexico city, Mexico
e Department of Critical Care Medicine, Fundación Clinica Médica Sur, Mexico City, Mexico