1. Assistant Professor, Engineering Optimization Research Group, College of Engineering, Univ. of Tehran, Tehran, Iran; and School of Engineering Science, College of Engineering, Univ. of Tehran, P.O. Box 11155-4563, 1417613131 Tehran, Iran.
2. Professor, Structural Engineering, Centre of Excellence for Fundamental Studies in Structural Engineering, Iran Univ. of Science and Technology, P.O. Box 16846-13114, Tehran, Iran (corresponding author).
3. Researcher, Engineering Optimization Research Group, College of Engineering, Univ. of Tehran, P.O. Box 11155-4563, 1417613131 Tehran, Iran.
4. Associate Professor, Engineering Optimization Research Group, College of Engineering, Univ. of Tehran, P.O. Box 11155-4563, 1417613131 Tehran, Iran.