1. Chairman of Laser Sciences and Interactions Department, National Institute of Laser Enhanced Sciences, (Niles), Cairo, University, Giza, Egypt
2. Department of Environmental Health, College of Public Health, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
3. Environmental Engineering Department, College of Engineering, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
4. Center for Environment & Marine Studies, Research Institute, King Fahd University of Petroleum & Minerals, KFUPM, Dhahran, Saudi Arabia