S V Duijf1, F J Vos1, J F Meis2, J H Goosen3. 1. Department of Orthopaedic Surgery, Prosthetic Joint Infection Unit, Sint Maartenskliniek, Nijmegen, The Netherlands. 2. Department of Medical Microbiology and Infectious Diseases, Canisius-Wilhelmina Ziekenhuis, Nijmegen, The Netherlands. 3. Department of Orthopaedic Surgery, Prosthetic Joint Infection Unit, Sint Maartenskliniek, Nijmegen, The Netherlands. Electronic address: j.goosen@maartenskliniek.nl.