1. Institute for Construction and Infrastructure Management
2. Chair of Sustainable Construction
3. ETH Zurich
4. Switzerland
5. Materials Science Institute of Madrid
6. CSIC
7. 28049 Madrid
8. Spain
9. Laboratory of Construction Materials
10. EPFL Lausanne
11. Department of Civil & Environmental Engineering, MIT, and
12. The Joint MIT-CNRS Unit
13. Cambridge
14. USA