1. a Department of Civil and Environmental Engineering, Virginia Tech, 200 Patton Hall, 750 Drillfield Dr, Blacksburg, VA 24060, USA
2. b Hampton Roads Sanitation District, 1434 Air Rail Ave, Virginia Beach, VA 23455, USA
3. c Department of Electrical and Computer Engineering, Old Dominion University, 231 Kaufman Hall, Norfolk, VA 23529, USA
4. d Thomas Jefferson National Accelerator Facility, 12000 Jefferson Ave, Newport News, VA 23606, USA