1. Department of Computer Science, Faculty of Science, University of South Bohemia in České Budějovice, České Budějovice, Czech Republic
2. Department of Industrial Management, National Taiwan University of Science and Technology, Taipei, Taiwan
3. Department of Electronics and Communication Engineering, SRM Institute of Science and Technology, NCR Campus, Ghaziabad, India
4. Department of Telecommunications, Brno University of Technology, Brno, Czech Republic
5. Department of Architecture and Planning, NTNU-Norwegian University of Science and Technology, Trondheim, Norway