1. Research Assistant, Infrastructure Management Group, Institute of Construction and Infrastructure Management, Swiss Federal Institute of Technology in Zurich, HIL F 24.1, Stefano-Franscini-Platz 5, 8093 Zürich, Switzerland (corresponding author).
2. Research Associate, Infrastructure Management Group, Institute of Construction and Infrastructure Management, Swiss Federal Institute of Technology in Zurich, HIL F 22.1, Stefano-Franscini-Platz 5, 8093 Zürich, Switzerland.
3. Professor, Infrastructure Management Group, Institute of Construction and Infrastructure Management, Swiss Federal Institute of Technology in Zurich, HIL F 24.3, Stefano-Franscini-Platz 5, 8093 Zürich, Switzerland.