title: Cost-effectiveness: the authors reply.
authors.affiliation: University of Pennsylvania Philadelphia, Pennsylvania.
authors.forename: Mark V
authors.initials: MV
authors.lastname: Pauly
authors.affiliation: Duke University Durham, North Carolina.
authors.forename: Frank A
authors.initials: FA
authors.lastname: Sloan
authors.affiliation: University of Washington Seattle, Washington.
authors.forename: Sean D
authors.initials: SD
authors.lastname: Sullivan