1. Ph.D. Candidate, Dept. of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zurich 8093, Switzerland.
2. Postdoctoral Researcher, Dept. of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zurich 8093, Switzerland.
3. Professor, Dept. of Civil, Environmental and Geomatic Engineering, ETH Zürich, Zurich 8093, Switzerland (corresponding author).