title: Response to Letter Regarding Article, "Collateral Donor Artery Physiology and the Influence of a Chronic Total Occlusion on Fractional Flow Reserve".
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Andrew
authors.initials: A
authors.lastname: Ladwiniec
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Michael S
authors.initials: MS
authors.lastname: Cunnington
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Jennifer
authors.initials: J
authors.lastname: Rossington
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Adam N
authors.initials: AN
authors.lastname: Mather
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Albert
authors.initials: A
authors.lastname: Alahmar
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Richard M
authors.initials: RM
authors.lastname: Oliver
authors.affiliation: International Centre for Circulatory Health, National Heart and Lung Institute, Imperial College London, London, United Kingdom.
authors.forename: Sukhjinder S
authors.initials: SS
authors.lastname: Nijjer
authors.affiliation: International Centre for Circulatory Health, National Heart and Lung Institute, Imperial College London, London, United Kingdom.
authors.forename: Justin E
authors.initials: JE
authors.lastname: Davies
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Simon
authors.initials: S
authors.lastname: Thackray
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Farquad
authors.initials: F
authors.lastname: Alamgir
authors.affiliation: Department of Cardiology, Castle Hill Hospital, Kingston-upon-Hull, United Kingdom.
authors.forename: Angela
authors.initials: A
authors.lastname: Hoye
mesh_terms: D001158:Arteries / Q000502:physiology*; D054059:Coronary Occlusion / Q000175:diagnosis*; D005260:Female; D053805:Fractional Flow Reserve, Myocardial; D006801:Humans; D006940:Hyperemia / Q000175:diagnosis*; D007511:Ischemia / Q000175:diagnosis*; D008297:Male; D062645:Percutaneous Coronary Intervention; D011183:Postoperative Complications / Q000175:diagnosis*