1. A2VI-Lab, Department of Life, Health and Environmental Sciences, University of L’Aquila, L’Aquila, Italy
2. Department of Computer Science, Sapienza University of Rome, Rome, Italy
3. Department of Computer, Control, and Management Engineering Antonio Ruberti, Sapienza University of Rome, Rome, Italy
4. Istituto di Analisi dei Sistemi ed Informatica Antonio Ruberti, CNR, Roma, Italy