1. SCE-Sami Shamoon College of engineering, Department of Software Engineering, Ashdod, Israel
2. Department of Software Engineering SCE-Sami Shamoon College of engineering, Ashdod, Israel
3. R&D Operations Enghouse Interactive, Giva'at-Ze'ev, Israel
4. Czech Technical University in Prague, Faculty of Electrical Engineering, Department of Computer Science, Praha, Czech Republic