title: Erratum to: The need for secondary resurfacing is affected by trochlear height in total knee arthroplasty.
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Kantonsspital Baselland (Bruderholz, Liestal, Laufen), 4101, Bruderholz, Switzerland.
authors.forename: Lucas
authors.initials: L
authors.lastname: Werth
authors.affiliation: Accelerate Innovation Management SA, Geneva, Switzerland.
authors.forename: Mo
authors.initials: M
authors.lastname: Saffarini
authors.affiliation: Amsler Consulting, 4059, Basel, Switzerland.
authors.forename: Felix
authors.initials: F
authors.lastname: Amsler
authors.affiliation: Faculty of Medicine, Suez Canal University, Ismailia, 41522, Egypt.
authors.forename: Ashraf
authors.initials: A
authors.lastname: Abdelkafy
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Kantonsspital Baselland (Bruderholz, Liestal, Laufen), 4101, Bruderholz, Switzerland.
authors.forename: Martin
authors.initials: M
authors.lastname: Clauss
authors.affiliation: Department of Orthopaedic Surgery and Traumatology, Kantonsspital Baselland (Bruderholz, Liestal, Laufen), 4101, Bruderholz, Switzerland. michael.hirschmann@ksbl.ch.
authors.forename: Michael T
authors.initials: MT
authors.lastname: Hirschmann