1. University of Anbar, College of Engineering, Department of Dams and Water Resources Engineering, University Campus, Ramadi, Anbar, Iraq
2. Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, 43600 UKM Bangi, Selangor Darul Ehsan, Malaysia
3. Faculty of Civil Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor Darul Ehsan, Malaysia
4. Civil, Environmental and Natural Resources Engineering, Lulea University of Technology, 97187 Lulea, Sweden