1. Environmental Engineering Department, Egypt-Japan University of Science and Technology (E-JUST), Alexandria 21934, Egypt
2. Environmental Health Department, High Institute of Public Health, Alexandria University, Alexandria 21544, Egypt
3. Civil and Environmental Engineering Department, Tokyo Institute of Technology, Meguro-Ku, Tokyo 152-8552, Japan
4. Sanitary Engineering Department, Faculty of Engineering, Alexandria University, Alexandria 21544, Egypt