1. Physics Department, Faculty of Sciences, Suez Canal University, Suez, Egypt
2. Salman bin Abdulaziz University, College of Arts and Sciences, Mathematics Department, Wadi Addwasir, Saudi Arabia
3. Department of Physics, Eastern Illinois University, Charleston, IL 61920, USA
4. IQSE, Texas A&M University, College Station, TX 77843-4242, USA
5. Department of Mathematics, College of Science, University of Bahrain, P.O. Box 32038, Kingdom of Bahrain