1. Basic Sciences, Engineering Department, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
2. Department of Mathematics and Computer Sciences, Queensborough Community College, CUNY, Bayside, New York 11364,
USA
3. Neurosurgical Simulation Research and Training Centre, Department of Neurosurgery, Montreal Neurological Institute and Hospital, McGill University, Montreal, Quebec H3A 2B4, Canada
4. Laboratoire de Physique des Plasmas (LPP), Ecole Polytechnique, UPMC, CNRS, Palaiseau, France