title: [What is missing for difficult airway management in the 21st century].
authors.affiliation: Stanford University School of Medicine, Stanford, CA, Estados Unidos. Electronic address: ptanaka@stanford.edu.
authors.forename: Pedro Paulo
authors.initials: PP
authors.lastname: Tanaka
authors.affiliation: Hospital das Clínicas, Universidade Federal de Pernambuco (UFPE), Recife, PE, Brasil.
authors.forename: Rafaela
authors.initials: R
authors.lastname: Pessoa
authors.affiliation: Hospital das Clínicas, Universidade Federal de Pernambuco (UFPE), Recife, PE, Brasil.
authors.forename: Raphaella
authors.initials: R
authors.lastname: Fernandes
authors.affiliation: Hospital das Clínicas, Universidade Federal de Pernambuco (UFPE), Recife, PE, Brasil.
authors.forename: Jay
authors.initials: J
authors.lastname: Brodsky