1. Researcher, Faculty of Civil Engineering and Geosciences, Delft Univ. of Technology, 2600 GA Delft, The Netherlands (corresponding author).
2. Professor, Dept. of Industrial Engineering, Univ. of Oklahoma, Norman, OK 73019.
3. Assistant Professor, Dept. of Civil Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Perak 31750, Malaysia.
4. Associate Professor, Faculty of Civil Engineering and Geosciences, Delft Univ. of Technology, 2600 GA Delft, The Netherlands.
5. Professor, Faculty of Civil Engineering and Geosciences, Delft Univ. of Technology, 2600 GA Delft, The Netherlands.