Musahl, V Erratum to: The challenge of treating complex knee instability. [electronic resource] - Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA 12 2017 - 3987 p. digital Publication Type: Journal Article; Published Erratum ISSN: 1433-7347 Standard No.: 10.1007/s00167-016-4267-y doi