1. Department of Orthopedic Surgery, Jeroen Bosch General Hospital, Henri Dunantstraat, ‘s-Hertogenbosch, The Netherlands
2. Department of Orthopedic Surgery, Zuyderland Medical Center, Sittard, Heerlen, The Netherlands
3. Department of Rheumatology, Jeroen Bosch Hospital, ‘s-Hertogenbosch, The Netherlands
4. Department of Orthopedic Surgery at Máxima Medical Center, The Netherlands