Research site, Lausanne, Switzerland
Charité - Universitätsmedizin Berlin Rudolf- Virchow- Haus, Berlin, Germany
Research site, Bad-Nauheim, Germany
Research Site, Tunis, Tunisia
Hammoud Hospital Univeristy Medical Center, Sidon, Lebanon
BKS Research Kft. Albert Schweitzer Kórhaz es Rendelőintezet-3. emelet, Hatvan, Hungary
Cliniques Universitaires Saint Luc, Brussels, Belgium
Imelda Clinic, Bonheiden, Belgium
Cliniques Universitaires St Luc, Brussels, Belgium
Hôpital Haut-Lévêque, Bordeaux, France
University Hospital Split, Split, Croatia
Cliniques Universitaires St Luc, Brussels, Belgium
Geneva University Hospital, Geneva, Switzerland
Rehabilitation Clinical Hospital Iasi, Iasi, Romania
Universiteit ZiekenHuis Katholiek Universiteit Leuven, Leuven, Belgium
"Sociedad Médica del Aparato Locomotor SA", Santiago de Chile, Chile
Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland
Universitätsspital Zürich, Zurich, Switzerland
Parexel Port Elizabeth, Port Elizabeth, Eastern Cape, South Africa