1. Civil Engineering Department, Faculty of Engineering, The British University in Egypt (BUE), El Sherouk City 11837, Egypt
2. Department of Behavioral, Management and Social Sciences, University of Twente, 7522 NB Enschede, The Netherlands
3. Wageningen Environmental Research Institute, 6708 PB Wageningen, The Netherlands
4. Egyptian Ministry of Environment, Cairo 4851412, Egypt
5. Department of Civil, Construction and Environmental Engineering, University of Alabama at Birmingham, Birmingham, AL 35294, USA
6. Civil Engineering Department, Faculty of Engineering and Technology, Badr University in Cairo (BUC), Badr City 11829, Egypt