1. Department of Civil Engineering, College of Engineering in Al-Kharj, Prince Sattam Bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia
2. Faculty of Engineering, Department of Civil Engineering, The University of Jordan, Amman 11942, Jordan
3. Civil Engineering Department, Philadelphia University, Amman 19392, Jordan
4. Member of Board of Trustees, Yarmouk University, P.O. Box 566, Irbid 21163, Jordan