title: Letter to the editor.
authors.forename: Carola F
authors.initials: CF
authors.lastname: van Eck
authors.forename: T Thomas
authors.initials: TT
authors.lastname: Liu
authors.forename: Freddie H
authors.initials: FH
authors.lastname: Fu
authors.forename: Christopher C
authors.initials: CC
authors.lastname: Dodson
authors.forename: David W
authors.initials: DW
authors.lastname: Altchek
mesh_terms: D016118:Anterior Cruciate Ligament / Q000503:physiopathology / Q000601:surgery*; D000070598:Anterior Cruciate Ligament Injuries; D001696:Biomechanical Phenomena; D005538:Football / Q000502:physiology / Q000523:psychology; D006801:Humans; D009985:Orthopedics / Q000379:methods*; D020370:Osteoarthritis, Knee / Q000175:diagnosis / Q000503:physiopathology / Q000534:rehabilitation; D026741:Physical Therapy Modalities; D019651:Plastic Surgery Procedures / Q000379:methods / Q000523:psychology* / Q000534:rehabilitation; D017006:Rotator Cuff / Q000601:surgery