title: Reply.
authors.affiliation: CHU Lille, Service des maladies de l'appareil digestif and Lille University, INSERM U995, Lille, France.
authors.forename: Guillaume
authors.initials: G
authors.lastname: Lassailly
authors.affiliation: CHU Lille, Department of Endocrine and Metabolic Surgery and Lille University, INSERM U1190, Lille, France.
authors.forename: Robert
authors.initials: R
authors.lastname: Caiazzo
authors.affiliation: CHU Lille, Service des maladies de l'appareil digestif and Lille University, INSERM U995, Lille, France.
authors.forename: Philippe
authors.initials: P
authors.lastname: Mathurin
authors.affiliation: CHU Lille, Department of Endocrine and Metabolic Surgery and Lille University, INSERM U1190, Lille, France.
authors.forename: François
authors.initials: F
authors.lastname: Pattou
mesh_terms: D050110:Bariatric Surgery / Q000379:methods*; D015992:Body Mass Index; D005260:Female; D006801:Humans; D008099:Liver / Q000473:pathology*; D008297:Male; D065626:Non-alcoholic Fatty Liver Disease / Q000601:surgery*; D009767:Obesity, Morbid / Q000601:surgery*; D015431:Weight Loss