Development of MyCheckTime® software for perioperative safety based on Toyota's Lean Methodology. - Tafur Betancourt, Luis Alberto; Zorrilla-Vaca, Andrés; Patricia Vallejos-Medina, Lorena; Mauricio Chilatra-Fonseca, José; Carlos Angarita-Navarro, Enrique; Martínez-Gaviria, Milagros; Londoño, Alejandro; Carlos Bocanegra-Rivera, Juan; Fernando Botero-Posada, Luis; Lema-Florez, Eduardo (Colombian Journal of Anesthesiology / Revista Colombiana de Anestesiología, 2020)