1 Center of Radiology, University Clinical Center of Serbia, Belgrade, Serbia. aleksandra.djuricstefanovic@gmail.com.
2 Faculty of Medicine, University of Belgrade, Belgrade, Serbia. aleksandra.djuricstefanovic@gmail.com.
3 Department of Digestive Radiology (First Surgery University Clinic), Center of Radiology and MR, University Clinical Center of Serbia, Koste Todorovica 6, 11000, Belgrade, Serbia. aleksandra.djuricstefanovic@gmail.com.
4 Center of Radiology, University Clinical Center of Serbia, Belgrade, Serbia.