title: Erratum to: Towards exergaming commons: composing the exergame ontology for publishing open game data.
authors.affiliation: Medical Physics Laboratory, Medical School, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: Giorgos
authors.initials: G
authors.lastname: Bamparopoulos
authors.affiliation: Medical Physics Laboratory, Medical School, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: Evdokimos
authors.initials: E
authors.lastname: Konstantinidis
authors.affiliation: Mathematics Department, Aristotle University of Thessaloniki, Thessaloniki, Greece.
authors.forename: Charalampos
authors.initials: C
authors.lastname: Bratsas
authors.affiliation: Medical Physics Laboratory, Medical School, Faculty of Health Sciences, Aristotle University of Thessaloniki, Thessaloniki, Greece. bamidis@med.auth.gr.
authors.forename: Panagiotis D
authors.initials: PD
authors.lastname: Bamidis