1. Interdisciplinary Centre for Security, Reliability and Trust, University of Luxembourg, Luxembourg City, Luxembourg
2. Department of Computer Science, KTH Royal Institute of Technology, Stockholm, Sweden
3. University of Western Macedonia (ZEP Area), Kozani, Greece
4. Department of Informatics, Aristotle University of Thessaloniki, Thessaloniki, Greece
5. NaNoNetworking Center in Catalunya, Universitat Politècnica de Catalunya, Barcelona, Spain