Gulf Orthopedics, Mobile, Alabama, United States
Cedars-Sinai Medical Center, Los Angeles, California, United States
Presbyterian St Luke's Medical Ctr, Denver, Colorado, United States
Amphia Hospital, Breda, Netherlands
University Hospital Maastricht, Maastricht, Netherlands
Albert Schweitzer Hospital, Dordrecht, Netherlands
Medical University of Vienna, Vienna, Austria
St. Vinzenz-Hospital GmbH, Koln, Germany
Lahn-Dill Kliniken, Wetzlar, Germany
MedStar Franklin Square Medical Center, Baltimore, Maryland, United States
The Ohio State University Wexner Medical Center, Columbus, Ohio, United States
Stanford School of Medicine, Redwood City, California, United States
Hospital del Trabajador, Santiago, Chile