University Hospitals Virgen Del Rocio
Spain
University Of Rostock
Germany
Philipp University
Germany
Chicago Institute of Minimally Invasive Surgery
United States
Complejo Hospitalario Universitario A Coruna
Spain
Tulane University School of Medicine
United States
Sarasota Memorial Hospital
United States
University of Hong Kong
Hong Kong
The second affiliated hospital of Anhui Medical University
China
General Army Hospital of Athens
Greece
Vanderbilt University Medical Center School of Medicine
United States
University of Naples
Italy
University Hospital Rijeka
Croatia (Hrvatska)
Near East University
Cyprus
Rush Medical college
United States
“Sapienza” University of Rome
Italy
University Hospital “Duilio Casula” – University of Cagliari
Italy
Technical University Munich
Germany
Technological Educational Institute of Athens
Greece
Federal University of Triangulo Mineiro
Brazil