title: Erratum to 'Bilateral gluteal advancement flap for treatment of recurrent sacrococcygeal pilonidal disease: A prospective cohort study' [Int. J. Surg. 29 (2016) 1-8].
authors.affiliation: General Surgery Department, Mansoura Faculty of Medicine, Mansoura University, Mansoura City, Dakahlia Providence, Egypt.
authors.forename: Khaled
authors.initials: K
authors.lastname: Elalfy
authors.affiliation: General Surgery Department, Mansoura Faculty of Medicine, Mansoura University, Mansoura City, Dakahlia Providence, Egypt. Electronic address: sameh200@hotmail.com.
authors.forename: Sameh
authors.initials: S
authors.lastname: Emile
authors.affiliation: General Surgery Department, Mansoura Faculty of Medicine, Mansoura University, Mansoura City, Dakahlia Providence, Egypt.
authors.forename: Ahmed
authors.initials: A
authors.lastname: Lotfy
authors.affiliation: General Surgery Department, Mansoura Faculty of Medicine, Mansoura University, Mansoura City, Dakahlia Providence, Egypt.
authors.forename: Mohamed
authors.initials: M
authors.lastname: Youssef
authors.affiliation: General Surgery Department, Mansoura Faculty of Medicine, Mansoura University, Mansoura City, Dakahlia Providence, Egypt.
authors.forename: Hossam
authors.initials: H
authors.lastname: Elfeki