1. International Hellenic University,Department of Computer Science,Kavala Campus,Greece
2. Kingston University,Faculty of Science, Engineering and Computing,London,UK.
3. University of Peloponnese,Department Informatics & Telecommunications,Tripolis,Greece
4. K3Y Ltd.,Department of Research and Development,Sofia,Bulgaria
5. University of Western Macedonia,Department of Electrical and Computer Engineering,Kozani,Greece