1 University of Medicine of Belgrade, Serbia
2 Iowa State University, Ames, USA
3 Medicine Faculty, Institute of Physiology, University of Lisbon
4 Universitaet der Bundeswehr, Institute of Mathematics and Data Processing, Munchen, Germany
5 Katholieke Universiteit Leuven, Belgium
6 University of Nicosia, Cyprus
7 Tucson University, Arizona, USA
8 University of Leeds, Anglia
9 St. Anna Hospital of Oss, Netherlands
10 Hospital of Hertogenbosch, Netherlands
11 University Sart-Tilman Liege, Belgium
12 Santa Anna Hospital Como, Italia
13 Clearwater Hospital, Tampa-Florida, USA
14 Brady Urological Institute, Baltimore, Maryland, USA
15 University of Louisville, USA
16 University of Medicine and Pharmacy of New Jersey, SUA
17 Karl Franzes Universitat, Graz, Austria
18 Quinze – Vinght Hospital, Paris
19 Saint - Loraine Hospital, Nice, France
20 University of Verona, Italy
21 University of Moins-Hainaut, Belgium
22 University of Maastricht, Netherlands
23 Ernst-Moritz-Arndt University Greifswald, Germany
24 University of Torino, Italy
25 University Rene Descartes Paris 5, France
26 University Pierre et Marie Curie Paris 6, France
27 University of Ancona, Italy
28 University of Copenhagen, Faculty of Health Sciences, Denmark
29 University of Patras, Greece
30 Comlutense University of Madrid, Spain
31 Aristotle University of Thessaloniki, Greece
32 University of Lisbon, Portugalia
33 State University of Medicine and Pharmacy Nicolae Testemitanu Chisinau, Moldavia
34 Gentofte University Hospital, Hellerup, Denmark
35 MD Anderson Cancer Center, Houston, Texas, USA
36 University of Texas Medical Branch, Galveston, Texas, USA
37 Aarhus University Hospital, Aarhus, Denmark
38 Temple University, Philadelphia, USA
39 University of Maryland at College Park, Maryland, USA
40 Georgetown University Hospital, Northwest Washington, DC, USA
41 Medical Informatics and Technology Applications Consortium, Virginia Commonwelth University, Richmond, Virginia, USA
42 Center of Excellence in Disaster Management and Humanitarian Assistance, Bethesda, Maryland, USA
43 Johannes Gutenberg University of Mainz, Germany
44 National Naval Medical Center, Bethesda, Maryland, USA
45 National Centre for Ultrasound in Gastroenterology, Haukeland University Hospital, Bergen, Norway
46 University of Texas, Health Science Center, Houston, Texas, USA
47 A. V. Vishnevski, Institute of Surgery, Moscow, Russia
48 University of Ulm, Germany
49 European Institute of Oncology, Milano, Italy
50 Universite Catolique de Louvain, Brussels, Belgium
51 Rashid Hospital, Dubai, United Arab Emirates
52 University of Connecticut Health Center, Farmington, Connecticut, USA
53 Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA
54 Odense University Hospital, Denmark
55 Herlev University Hospital, Denmark
56 VU Medical Centre, Amsterdam, the Netherlands
57 Institute of Hepatology, University College London and UCL Hospitals, GB
58 University Hospital Rebro, Zagreb, Croatia
59 Tehran University of Medical Sciences, Tehran, Iran
60 University Hospital Maastricht, Maastricht, the Netherlands