Prof. dr Nebojsa Ladjevic, Faculty of Medicine, Belgrade University, Belgrade, Serbia, Director of Center for Anaesthesia and Resuscitation, University Clinical centre of Serbia, Belgrade, Serbia, Head of Department of Anaesthesia and resuscitation, Urology Hospital, Belgrade, Serbia President of Serbian Pain Society, President of Serbian Association of Anesthesiologists and intensivists, Deputy Editor in Chief: Serbian Journal of Anesthesia and Intensive Therapy