title: Authors' reply to Gupta.
authors.affiliation: Farr Institute of Health Informatics Research and Institute of Health Informatics, University College London, London NW1 2DA, UK s.chung@ucl.ac.uk.
authors.forename: Sheng-Chia
authors.initials: SC
authors.lastname: Chung
authors.affiliation: Cardiology, Department of Medical Sciences, Uppsala University, Uppsala, Sweden.
authors.forename: Johan
authors.initials: J
authors.lastname: Sundström
authors.affiliation: Cardiovascular Health Sciences, University of Leeds, Leeds, UK.
authors.forename: Chris P
authors.initials: CP
authors.lastname: Gale
authors.affiliation: National Institute for Health Research, Cardiovascular Biomedical Research Unit, Bart's Health London, London.
authors.forename: Adam
authors.initials: A
authors.lastname: Timmis
authors.affiliation: Section of Cardiology, Department of Medicine, Karolinska Institute, Stockholm, Sweden.
authors.forename: Tomas
authors.initials: T
authors.lastname: Jernberg
authors.affiliation: Farr Institute of Health Informatics Research and Institute of Health Informatics, University College London, London NW1 2DA, UK.
authors.forename: Harry
authors.initials: H
authors.lastname: Hemingway
mesh_terms: D005260:Female; D006760:Hospitalization / Q000706:statistics & numerical data*; D006801:Humans; D008297:Male; D009203:Myocardial Infarction / Q000628:therapy*