1. Assistant Professor, Charles E. Via Jr. Dept. of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24060 (corresponding author).
2. Professor, Bradley Dept. of Electrical and Computer Engineering, Virginia Tech, Blacksburg, VA 24060.
3. Assistant Professor, Dept. of Computer Sciences, Univ. of Maryland, College Park, MD 20742.
4. Assistant Professor, Charles E. Via Jr. Dept. of Civil and Environmental Engineering, Virginia Tech, Blacksburg, VA 24060. ORCID: .