Letter to the Editor: New Definition for Periprosthetic Joint Infection: From the Workgroup of the Musculoskeletal Infection Society.

Metsemakers WJ Department of Trauma Surgery, University Hospitals Leuven, Herestraat 49, 3000, Leuven, Belgium. willem-jan.metsemakers@uzleuven.be.
Moriarty TF AO Research Institute Davos, Davos, Switzerland.
Morgenstern M Department of Orthopaedic and Trauma Surgery, University Hospital of Basel, Basel, Switzerland.
Kuehl R Division of Infectious Diseases and Hospital Epidemiology, University Hospital of Basel, Basel, Switzerland.
Borens O Orthopaedic Septic Surgical Unit, Department of the Locomotor Apparatus Lausanne University Hospital, Lausanne, Switzerland.
Kates S Department of Orthopaedic Surgery, Virginia Commonwealth University, Richmond, VA, USA.
Richards RG AO Research Institute Davos, Davos, Switzerland.
Verhofstad M Department of Trauma Surgery, Erasmus University Medical Centre, Rotterdam, The Netherlands.