1. Signal Processing and Communications group, Interdisciplinary Center for Security, Reliability, and Trust, University of Luxembourg, Luxembourg City, Luxembourg
2. Department Electrical and Computer Engineering, University of Western Macedonia, Kozani, Greece
3. Department of Computer Architecture, Universitat Politècnica de Catalunya, Barcelona, Spain
4. Aristotle University of Thessaloniki, Thessaloniki, Thessaloniki, Greece
5. Interdisciplinary Center for Security, Reliability, and Trust, University of Luxembourg, Luxembourg City, Luxembourg