MIS of the Esophagus, Belgrade, March 2014
 

International Course, Trento, March 2010
 

International Congres of the IASGO, Bucarest, 2013
 

Modern surgery of ventral hernia, Lithuania, June 2014
 

43. Simpozijum Stremljenja i novine u medicini, Beograd, Mediciski fakultet, 08-12.12.2014