Department of Surgery Saint George University Teaching Hospital;
Székesfehérvár;
Seregélyesi u. 3.;
H-8000;
Hungary;
Center for Advanced Biotechnology and Medicine UMDNJ;
Piscataway;
NJ;
USA;
National Medical Center Department of Surgery;
Budapest;
Szabolcs u.33-35.;
H-1135;
Hungary;