title: Reply from the authors.
authors.affiliation: Houston, USA.
authors.forename: D
authors.initials: D
authors.lastname: Cattano
authors.forename: P
authors.initials: P
authors.lastname: Killoran
authors.forename: C A
authors.initials: CA
authors.lastname: Hagberg
mesh_terms: D000402:Airway Obstruction / Q000175:diagnosis*; D000776:Anesthesiology / Q000193:education*; D002983:Clinical Competence / Q000706:statistics & numerical data*; D004521:Educational Measurement / Q000379:methods*; D006801:Humans; D007396:Internship and Residency / Q000379:methods*; D058996:Quality Improvement / Q000706:statistics & numerical data*