1. Department of Civil Engineering, Faculty of Engineering & Built Environment, Universiti Kebangsaan Malaysia, Selangor, Malaysia
2. Bauhaus-Universität Weimar, Weimar, Germany
3. Department of Mathematical Sciences, Faculty of Science and Technology, Universiti Kebangsaan Malaysia, Selangor, Malaysia
4. Department of Water, Faculty of Civil Engineering, Jundhi-Shapur University of Technology, Dezful, Khozestan, Iran
5. Civil and Environmental Engineering Department, King Fahd University of Petroleum & Minerals, Dhahran, Saudi Arabia