1. Department of Civil Environmental Engineering and Architecture, University of Cagliari, Via Marengo 2, 09123 Cagliari, Italy
2. INAF–OAC Osservatorio Astronomico di Cagliari, 09047 Selargius, Italy
3. Secured Solutions srl, Via dell’Artigianato 11, 09122 Cagliari, Italy
4. Freelance Engineer