title: Reply to: "Letter to the editor: Comparing pace and speed in the pulmonary circulation?".
authors.affiliation: Centre for Cardiovascular Imaging, Institute of Cardiovascular Science, University College London and Great Ormond Street Hospital for Children, London, United kingdom; and.
authors.forename: Michael A
authors.initials: MA
authors.lastname: Quail
authors.affiliation: IBiTech-bioMMeda, iMinds Medical IT, Ghent University, Gent, Belgium.
authors.forename: Patrick
authors.initials: P
authors.lastname: Segers
authors.affiliation: Centre for Cardiovascular Imaging, Institute of Cardiovascular Science, University College London and Great Ormond Street Hospital for Children, London, United kingdom; and v.muthurangu@ucl.ac.uk.
authors.forename: Vivek
authors.initials: V
authors.lastname: Muthurangu
mesh_terms: D005260:Female; D006439:Hemodynamics; D006801:Humans; D006976:Hypertension, Pulmonary / Q000175:diagnosis*; D008279:Magnetic Resonance Imaging; D008297:Male; D011651:Pulmonary Artery / Q000503:physiopathology*; D011652:Pulmonary Circulation; D011655:Pulmonary Embolism / Q000175:diagnosis*