1. Research Associate, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, Bliss St. PO Box 11-0236, Beirut, Lebanon.
2. Professor, Dept. of Civil and Environmental Engineering, American Univ. of Beirut, Bliss St. PO Box 11-0236, Beirut, Lebanon (corresponding author).
3. Professor, Faculty of Agricultural and Food Sciences, American Univ. of Beirut, Bliss St. PO Box 11-0236, Beirut, Lebanon.
4. Associate Professor, Faculty of Health Sciences, American Univ. of Beirut, Bliss St. PO Box 11-0236, Beirut, Lebanon.