1. Harvard Medical School, Boston, Massachusetts
2. Department of Orthopaedic Surgery, Brigham & Women's Hospital, Boston, Massachusetts
3. Department of Internal Medicine, Hospital Universitario 12 de Octubre, Instituto de Investigación Biomédica imás12, CIBER de Enfermedades Infecciosas (CIBERINFEC, Instituto de Salud Carlos III), Madrid, Spain
4. Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, the Netherlands
5. Department of Orthopaedic Surgery, Martini Hospital, Groningen, the Netherlands
6. Joint Reconstruction Unit, Department of Orthopaedics, Southland Hospital, Invercargill, New Zealand