1. Visiting Scholar, Dept. of Civil and Environmental Engineering, Univ. of Virginia, P.O. Box 400747, Charlottesville, VA 22904 (corresponding author). ORCID: .
2. Peace Corps Volunteer, 1275 First St. NE, Washington, DC 20526.
3. Lecturer, Dept. of Chemical Engineering, Universidad San Francisco de Quito, Quito 170901, Ecuador. ORCID: .
4. Professor, Dept. of Civil and Environmental Engineering, Univ. of Virginia, P.O. Box 400747, Charlottesville, VA 22904.