title: Authors' reply to Laurent.
authors.affiliation: Group Health Research Institute, Group Health Cooperative, Seattle, WA 98101, USA arterburn.d@ghc.org.
authors.forename: David
authors.initials: D
authors.lastname: Arterburn
authors.affiliation: University of Pittsburgh Medical Center, Pittsburgh, PA, USA.
authors.forename: Anita
authors.initials: A
authors.lastname: Courcoulas
mesh_terms: D050110:Bariatric Surgery / Q000379:methods*; D006801:Humans; D009765:Obesity / Q000601:surgery*; D011183:Postoperative Complications