1. Department of Civil Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran
2. Department of Civil Engineering, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
3. Institute for Risk and Reliability, Leibniz Universität Hannover, Hannover, Germany
4. Department of Building and Real Estate, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong, China