title: Erratum to: Evidence-based indications for hindfoot endoscopy.
authors.affiliation: IRCCS Policlinico San Donato, Via Morandi 30, 20097, San Donato Milanese, Milan, Italy.
authors.forename: Pietro
authors.initials: P
authors.lastname: Spennacchio
authors.affiliation: IRCCS Policlinico San Donato, Via Morandi 30, 20097, San Donato Milanese, Milan, Italy. d.cucchi@gmail.com.|Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Via Mangiagalli 31, 20133, Milan, Italy. d.cucchi@gmail.com.
authors.forename: Davide
authors.initials: D
authors.lastname: Cucchi
authors.affiliation: IRCCS Policlinico San Donato, Via Morandi 30, 20097, San Donato Milanese, Milan, Italy.|Dipartimento di Scienze Biomediche per la Salute, Università degli Studi di Milano, Via Mangiagalli 31, 20133, Milan, Italy.
authors.forename: Pietro S
authors.initials: PS
authors.lastname: Randelli
authors.affiliation: Department of Orthopaedic Surgery, Academic Medical Center, University of Amsterdam, Meibergdreef 9, 1105 AZ, Amsterdam Zuid-Oost, The Netherlands.
authors.forename: Niek C
authors.initials: NC
authors.lastname: van Dijk