Hospital Universitario Clinico San Carlos, Madrid, Spain
Dipartimento di Scienze Biomediche, Sperimentali e Cliniche Mario Serio, Firenze, Italy
University of Cologne, Cologne, Germany
Centre Hospitalier Sud-Francilien - Secretariat de Rhumatologie, Corbeil Essonnes cedex, France
Arthritis Center, Inc., Palm Harbor, Florida, United States
Revmatologie s.r.o., Brno, Czechia
University hospital, Department of orthopedics & traumasurgery, Cologne, NRW, Germany
University hospital, Department of orthopedics, Halle, Sachsen-Anhalt, Germany
Departement of General Neurosurgery of th University of Cologne, Cologne, Germany
Clinics of Musculoskeletal Surgery and Laboratory for Biomechanics, University of Schleswig-Holstein, Campus of Lübeck, Lübeck, Schleswig-Holstein, Germany
Centre for Trauma surgery, Orthopaedics and Hand Surgery, Clinics of Worms, Worms, Rhineland-Palatinate, Germany
Clinic of Orthopaedics and Trauma Surgery, Hochtaunus-Kliniken gGmbH, Bad Homburg, Hesse, Germany
Department of Pharmacology, Cologne University Hospital, Cologne, NRW, Germany
Maastricht University Medical Centre, Maastricht, Netherlands
Krankenhaus Hietzing, Vienna, Austria
Grand Hôpital de Charleroi, Charleroi, Belgium
University Hospital of Cologne, Cologne, North Rhine-Westphalia, Germany
University of Pennsylvania, Philadelphia, Pennsylvania, United States
Southwest Infectious Disease Clinical Research, Inc., Dallas, Texas, United States
Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada
University Cologne, Childrens Hospital, Cologne, Germany, Cologne, NRW, Germany