1. Associate Professor, Construction Engineering and Management, Dept. of Civil Engineering, Hashemite Univ., P.O. Box 330127, Zarqa 13115, Jordan (corresponding author).
2. Assistant Professor, Dept. of Information Systems, College of Computer and Information Sciences, King Saud Univ., P.O. Box 51178, Riyadh, Kingdom of Saudi Arabia 11543.
3. Associate Professor, Construction Engineering and Management, Dept. of Civil Engineering, Hashemite Univ., P.O. Box 1580, Amman 11821, Jordan.