title: New Associate Editor: Olufemi R. Ayeni.
authors.affiliation: Department of Orthopaedics, Sahlgrenska University Hospital, Molndal, Sweden. jon.karlsson@telia.com.
authors.forename: Jon
authors.initials: J
authors.lastname: Karlsson
authors.affiliation: Department of Orthopaedic and Traumatology, City Hospital Brandenburg, Hochstrasse 29, 14770, Havel, Brandenburg, Germany. roland.becker@kssta.org.
authors.forename: Roland
authors.initials: R
authors.lastname: Becker
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Kantonsspital Baselland, Bruderholz, Switzerland. Michael.Hirschmann@unibas.ch.
authors.forename: Michael T
authors.initials: MT
authors.lastname: Hirschmann
authors.affiliation: Orthopaedic Surgery and Bioengineering, UPMC Center for Sports Medicine, University of Pittsburgh, 3200 South Water Street, Pittsburgh, PA, 15203, USA. musahlv@upmc.edu.
authors.forename: Volker
authors.initials: V
authors.lastname: Musahl