title: The Hidden Value of Variation in Practice.
authors.affiliation: Robert T. Stone Respiratory Center, Akron Children's Hospital, Northeast Ohio Medical University, Akron, Ohio; and jtmcbride@gmail.com.
authors.forename: John T
authors.initials: JT
authors.lastname: McBride
authors.affiliation: LeBonheur Children's Hospital, University of Tennessee Health Science Center, Memphis, Tennessee.
authors.forename: Dennis C
authors.initials: DC
authors.lastname: Stokes