1. Department of Construction Engineering and Lighting Science, School of Engineering, Jönköping University, Gjuterigatan 5, 551 11 Jönköping, Sweden
2. Department of Computer Science, University of Turin, Corso Svizzera 185, 10149 Turin, Italy
3. Department of Computer Science, School of Engineering, Jönköping University, Gjuterigatan 5, 551 11 Jönköping, Sweden
4. School of Engineering and Applied Science, Aston University, Birmingham B4 7ET, UK
5. Pythagoras AB, Söder Mälarstrand 27B, 118 25 Stockholm, Sweden
6. Institute of Building and Industrial Construction, Integrated Planning and Industrial Construction, Vienna University of Technology, 1040 Vienna, Austria