Ilona M. Punt - Department of Orthopaedic Surgery, Maastricht University Medical Center, Maastricht, The Netherlands. i.punt@mumc.nl
Shennah Austen - Maastricht University Medical Centre
Jack P. M. Cleutjens - Maastricht Univ, Dept Pathol, Maastricht, Netherlands
Steven M. Kurtz - Drexel University
Rene H. M. ten Broeke - Maastricht Univ Med Ctr, Dept Orthopaed Surg, NL-6202 AZ Maastricht, Netherlands
Lodewijk W. van Rhijn - Maastricht Univ Med Ctr, Dept Orthopaed Surg, NL-6202 AZ Maastricht, Netherlands
Paul C. Willems - Maastricht Univ Med Ctr, Dept Orthopaed Surg, NL-6202 AZ Maastricht, Netherlands
Andre van Ooij - Viecuri Med Ctr, Dept Orthopaed Surg, Venlo, Netherlands