1. Department Architecture and Building Sciences, College of Architecture & Planning, King Saud University, Riyadh 11574, Saudi Arabia
2. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hong Kong SAR, China
3. Department of Civil Engineering, Faculty of Engineering, The British University in Egypt (BUE), El Sherouk City 11837, Egypt
4. General Petroleum Company (GPC), Cairo P.O. Box 743, Egypt