title: Reply from the authors.
authors.affiliation: Milan, Italy dario.caldiroli@istituto-besta.it.
authors.forename: D
authors.initials: D
authors.lastname: Caldiroli
authors.affiliation: Milan, Italy.
authors.forename: F
authors.initials: F
authors.lastname: Molteni
authors.affiliation: Milan, Italy.
authors.forename: A
authors.initials: A
authors.lastname: Sommariva
authors.affiliation: Milan, Italy.
authors.forename: S
authors.initials: S
authors.lastname: Frittoli
authors.affiliation: Milan, Italy.
authors.forename: E
authors.initials: E
authors.lastname: Guanziroli
authors.affiliation: Milan, Italy.
authors.forename: P
authors.initials: P
authors.lastname: Cortellazzi
authors.affiliation: Milan, Italy.
authors.forename: E F
authors.initials: EF
authors.lastname: Orena
mesh_terms: D005260:Female; D006801:Humans; D020704:Laryngoscopes; D007828:Laryngoscopy; D008297:Male; D008348:Manikins; D018482:Muscle, Skeletal / Q000502:physiology*; D005082:Physical Exertion / Q000502:physiology*; D034941:Upper Extremity / Q000502:physiology*