The author certifies that there are no funding or commercial associations (consultancies, stock ownership, equity interest, patent/licensing arrangements, etc.) that might pose a conflict of interest in connection with the submitted article related to the author or any immediate family members. The author discloses that he was a coinvestigator on the study by Vranceanu et al. [ 19 ] funded by the National Institutes for Health (grant 5U01AT010462-02) that produced the data used in Doorley et al.’s study [ 8 ], and that he participated in the interviews in this study, but was not involved in the coding of the data nor in the writing of the manuscript by Doorley et al. All ICMJE Conflict of Interest Forms for authors and Clinical Orthopaedics and Related Research® editors and board members are on file with the publication and can be viewed on request.