Erratum to: Eur Spine J (2013) 22:2279–2287 DOI 10.1007/s00586-013-2967-2

There was an error in the list of authors. The correct list of authors should be:

Patrick Strube, Eike K. Hoff, Marc Schürings, Hendrik Schmidt, Marcel Dreischarf, Antonius Rohlmann, Michael Putzier

Marc Schürings belongs to the same affiliation like Strube P, Hoff EK, Putzier M and has no conflict of interest to report.