Correction: Archives of Orthopaedic and Trauma Surgery https://doi.org/10.1007/s00402-021-04322-z

The original version of this article unfortunately contained a mistake. The affiliation of Francesco Castagnini was incorrect. The correct affiliation is Ortopedia-Traumatologia e Chirurgia Protesica e dei Reimpianti d'anca e di Ginocchio, IRCCS Istituto Ortopedico Rizzoli, Via Pupilli 1, 40136, Bologna, Italy. francescocastagnini@hotmail.it. The other affiliation DIBINEM etc is not correct and should be deleted.