1. Centre for Territory, Environment and Construction (CTAC), University of Minho, 4800-058 Guimarães, Portugal
2. SYSTEMA Research Centre, European University Cyprus, Engomi, 2404 Nicosia, Cyprus
3. Alma Mater Studiorum, University of Bologna, 40136 Bologna, Italy
4. CitUpia AB, SE 104 30 Stockholm, Sweden