title: Response to the letter to the editor.
authors.forename: Matthew N
authors.initials: MN
authors.lastname: Bartels
authors.forename: José
authors.initials: J
authors.lastname: González-Costello
authors.forename: Hilary F
authors.initials: HF
authors.lastname: Armstrong
authors.forename: Ulrich P
authors.initials: UP
authors.lastname: Jorde
authors.forename: Anna C
authors.initials: AC
authors.lastname: Bevelaqua
authors.forename: Laurie
authors.initials: L
authors.lastname: Letarte
authors.forename: Byron
authors.initials: B
authors.lastname: Thomashow
mesh_terms: D001145:Arrhythmias, Cardiac / Q000503:physiopathology*; D005260:Female; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008173:Lung Diseases, Obstructive / Q000401:mortality* / Q000503:physiopathology*; D008297:Male