title: Reply to the Letter to the Editor by Wade et al. "The importance of the Unit of Analysis". Commentary on: Beugels J et al. Complications in unilateral versus bilateral deep inferior epigastric artery perforator flap breast reconstructions: A multicentre study.
authors.affiliation: Department of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands. Electronic address: jop.beugels@mumc.nl.
authors.forename: J
authors.initials: J
authors.lastname: Beugels
authors.affiliation: Department of Methodology and Statistics, Maastricht University Medical Centre, Maastricht, The Netherlands.
authors.forename: B
authors.initials: B
authors.lastname: Winkens
authors.affiliation: Department of Epidemiology, Maastricht University Medical Centre, Maastricht, The Netherlands.
authors.forename: A C
authors.initials: AC
authors.lastname: Voogd
authors.affiliation: Department of General Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.
authors.forename: E M
authors.initials: EM
authors.lastname: Heuts
authors.affiliation: Department of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.
authors.forename: S M H
authors.initials: SM
authors.lastname: Tuinder
authors.affiliation: Department of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.
authors.forename: R R W J
authors.initials: RR
authors.lastname: van der Hulst
authors.affiliation: Department of Plastic, Reconstructive and Hand Surgery, Maastricht University Medical Centre, Maastricht, The Netherlands.
authors.forename: A A
authors.initials: AA
authors.lastname: Piatkowski
mesh_terms: D019074:Epigastric Arteries / Q000601:surgery*; D006801:Humans; D016462:Mammaplasty; D008408:Mastectomy; D061525:Perforator Flap / Q000098:blood supply*; D013524:Surgical Flaps / Q000098:blood supply