title: Reply to Chalmers et al.
authors.affiliation: Vanderbilt University Medical Center, Nashville, Tennessee.
authors.forename: Wesley H
authors.initials: WH
authors.lastname: Self
authors.affiliation: Northwestern University Feinberg School of Medicine, Chicago, Illinois.
authors.forename: Richard G
authors.initials: RG
authors.lastname: Wunderink
authors.affiliation: Vanderbilt University Medical Center, Nashville, Tennessee.
authors.forename: Derek J
authors.initials: DJ
authors.lastname: Williams
authors.affiliation: Northwestern University Feinberg School of Medicine, Chicago, Illinois University of Western Australia, Perth.
authors.forename: Grant W
authors.initials: GW
authors.lastname: Waterer
authors.affiliation: Centers for Disease Control and Prevention, Atlanta, Georgia.
authors.forename: Seema
authors.initials: S
authors.lastname: Jain
authors.affiliation: Vanderbilt University Medical Center, Nashville, Tennessee.
authors.forename: Kathryn M
authors.initials: KM
authors.lastname: Edwards
authors.affiliation: Vanderbilt University Medical Center, Nashville, Tennessee.
authors.forename: Carlos G
authors.initials: CG
authors.lastname: Grijalva