1. National Institute of Telecommunications (Inatel) Santa Rita do Sapucai Brazil
2. Department of Electrical Engineering, Federal University of Piauí (UFPI) Teresina Brazil
3. Instituto de Telecomunicações Portugal
4. Photonics and Optoinformatics Department, ITMO University Saint Petersburg Russia
5. Center for Security, Theory and Algorithmic Research International Institute of Information Technology Hyderabad India
6. Department for Information and Communication Systems, University of Split Split Croatia