1. Prairie Research Institute, University of Illinois at Urbana−Champaign, 2204 Griffith Drive, Champaign, Illinois 61820, United States
2. Thebes Higher Institute of Engineering, Thebes Integrated Academy, Maadi, Cairo 11434, Egypt
3. Lyles School of Civil Engineering, Purdue University, 550 Stadium Mall Drive, West Lafayette, Indiana 47907-2051, United States
4. Division of Environmental & Ecological Engineering, Purdue University, West Lafayette, Indiana 47907, United States