1. Ph.D. Student, Swiss Federal Laboratories for Materials Science and Technology, CH-8600 Dübendorf, Switzerland; Institute for Building Materials, ETH Zurich, Zurich, Switzerland (corresponding author).
2. Lecturer, Division of Infrastructure and Geomatics, Faculty of Engineering, Univ. of Nottingham, University Park, Nottingham NG7 2RD, U.K.
3. Group Leader Construction Chemistry, Swiss Federal Laboratories for Materials Science and Technology, CH-8600 Dübendorf, Switzerland.
4. Head of Concrete and Construction Chemistry Laboratory, Swiss Federal Laboratories for Materials Science and Technology, CH-8600 Dübendorf, Switzerland; Professor of Concrete Technology, Institute for Building Materials, ETH Zurich, Zurich, Switzerland.