Vladimir Milosavljevic1, Boris Tadic2, Mauricio Gonzalez-Urquijo3, Djordje Knezevic2, Nikola Grubor2
1Gracia Medica Polyclinic, Belgrade, Serbia
2Department for HPB Surgery, Clinic for Digestive Surgery, Clinical Centre of Serbia, Belgrade, Serbia
3Tecnologico de Monterrey, School of Medicine and Health Sciences, Mexico
