1. Postdoctoral Research Associate, Center for Bio-Mediated and Bio-Inspired Geotechnics, Arizona State Univ., Tempe, AZ 85287-3005; Assistant Professor, College of Civil Engineering, King Saud Univ., Riyadh 11421, Saudi Arabia (corresponding author).
2. Postdoctoral Research Associate, Center for Bio-Mediated and Bio-Inspired Geotechnics, Arizona State Univ., Tempe, AZ 85287-3005.
3. Regents’ Professor and Director, Center for Bio-Mediated and Bio-Inspired Geotechnics, Arizona State Univ., Tempe, AZ 85287-3005.