Exeter, England (Royal Devon Hospital)
Nepean Hospital, Sydney, Australia
Poly Clinic d' Argonay, France
St. Marien Hospital, Broken, Germany
Orthopaedische Klinik, Markgroningen, Germany
The Manor Hospital, Oxford, England
Rush University Medical Center, Chicago, USA
B Braun Aesculap Academy, Tuttlingen, Germany
University Hospital, Freiburg, Germany
Hochwaldkrankenhaus, Bad Nauheim, Germany
Methodist Hospital, Texas Medical Centre, Houston, USA
St. Peter's University Hospital, New Jersey, USA
Fellow, Royal College Of Surgeons, UK
Helios Endo Klinik, Hamburg, Germany
Advanced Instructional Course, Oxford, UK
St. Vincent Hospital LA, USA
Weiss Memorial Hospital Chicago, USA
Pius-Hospital Oldenburg, Germany
University Hospital, Barcelona
Krankenhaus Hedwigshohe, Hohensteig, Berlin, Germany
Waldkrankenhaus Eisenberg Thuringen, Germany
O. L. V van Lourdes Ziekenhuis Waregem, Belgium
Istituto Orthopedico Rizzoli di Bologna, Italy
University of Bologna, Italy
Ospedale Maggiore Di Bologna, Italy
St. Mary's Medical Centre, Huntington, West Virginia, USA
St. George University Teaching Hospital, Szekesfehervar,
Fejer, Hungary, Europe
St. Anna Hospital Hernes Germany (Riwospine)
Advanced Navigation -TKR. B Brown, Vienna
Notaufnahme Juliusspital - In Wurzburg Germany
