title: Reply.
authors.affiliation: Discipline of Medicine, The Queen Elizabeth Hospital, University of Adelaide, South Australia.
authors.forename: Isuru
authors.initials: I
authors.lastname: Ranasinghe
authors.affiliation: Center for Outcomes Research and Evaluation (CORE), Yale-New Haven Hospital, New Haven, Connecticut.
authors.forename: Craig S
authors.initials: CS
authors.lastname: Parzynski
authors.affiliation: Center for Outcomes Research and Evaluation (CORE), Yale-New Haven Hospital, New Haven, Connecticut.
authors.forename: Rana
authors.initials: R
authors.lastname: Searfoss
authors.affiliation: Center for Outcomes Research and Evaluation (CORE), Yale-New Haven Hospital, New Haven, Connecticut.
authors.forename: Julia
authors.initials: J
authors.lastname: Montague
authors.affiliation: Center for Outcomes Research and Evaluation (CORE), Yale-New Haven Hospital, New Haven, Connecticut.
authors.forename: Zhenqiu
authors.initials: Z
authors.lastname: Lin
authors.affiliation: Section of Digestive Diseases, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut.
authors.forename: John
authors.initials: J
authors.lastname: Allen
authors.affiliation: Section of Digestive Diseases, Department of Internal Medicine, Yale University School of Medicine, New Haven, Connecticut.
authors.forename: Ronald
authors.initials: R
authors.lastname: Vender
authors.affiliation: Center for Outcomes Research and Evaluation (CORE), Yale-New Haven Hospital, New Haven, Connecticut.
authors.forename: Kanchana
authors.initials: K
authors.lastname: Bhat
authors.affiliation: Center for Outcomes Research and Evaluation (CORE) and Section of General Internal Medicine, Department of Internal Medicine and Department of Health Policy and Management, School of Public Health and Robert Wood Johnson Clinical Scholars Program, Yale University, New Haven, Connecticut.
authors.forename: Joseph S
authors.initials: JS
authors.lastname: Ross
authors.affiliation: Center for Outcomes Research and Evaluation (CORE) and Section of General Internal Medicine, Department of Internal Medicine and Robert Wood Johnson Clinical Scholars Program, Yale University, New Haven, Connecticut.
authors.forename: Susannah
authors.initials: S
authors.lastname: Bernheim
authors.affiliation: Center for Outcomes Research and Evaluation (CORE) and Department of Health Policy and Management, School of Public Health and Section of Cardiovascular Medicine, Department of Internal Medicine and Robert Wood Johnson Clinical Scholars Program, Yale University, New Haven, Connecticut.
authors.forename: Harlan M
authors.initials: HM
authors.lastname: Krumholz
authors.affiliation: Center for Outcomes Research and Evaluation (CORE) and Department of Pediatrics, Yale University School of Medicine, New Haven, Connecticut.
authors.forename: Elizabeth
authors.initials: E
authors.lastname: Drye