title: Erratum to: Treatment of patella baja by a modified Z-plasty.
authors.affiliation: Sportsclinic Austria, Innsbruck, Olympiastraße 39, 6020, Innsbruck, Austria.|Department of Traumatology and Sports Injuries, Paracelsus Medical University, Salzburg, Muellner Hauptstrasse 48, 5020, Salzburg, Austria.
authors.forename: Guido
authors.initials: G
authors.lastname: Wierer
authors.affiliation: Sportsclinic Austria, Innsbruck, Olympiastraße 39, 6020, Innsbruck, Austria.
authors.forename: Christian
authors.initials: C
authors.lastname: Hoser
authors.affiliation: Sportsclinic Austria, Innsbruck, Olympiastraße 39, 6020, Innsbruck, Austria.|Department of Orthopaedic Sports Medicine, Technical University Munich, Ismaninger Strasse 22, 81675, Munich, Germany.
authors.forename: Elmar
authors.initials: E
authors.lastname: Herbst
authors.affiliation: Sportsclinic Austria, Innsbruck, Olympiastraße 39, 6020, Innsbruck, Austria.
authors.forename: Elisabeth
authors.initials: E
authors.lastname: Abermann
authors.affiliation: Sportsclinic Austria, Innsbruck, Olympiastraße 39, 6020, Innsbruck, Austria. christian.fink@sportsclinicaustria.com.
authors.forename: Christian
authors.initials: C
authors.lastname: Fink