**Author details**

Sven Van Poucke1 , Ana Kovacevic<sup>2</sup> and Milan Vukicevic<sup>3</sup> \*

\*Address all correspondence to: vukicevicm@fon.bg.ac.rs

1 Department of Anesthesiology, Intensive Care, Emergency Medicine and Pain Therapy, Ziekenhuis Oost-Limburg, Genk, Belgium

2 Saga Ltd., New Frontier Group, Belgrade, Serbia

3 Faculty of Organizational Sciences, University of Belgrade, Belgrade, Serbia
