1. Professor, School of Civil Engineering, Univ. of Leeds, Leeds LS2 9JT, UK; Professor Emeritus, Gillings School of Global Public Health, Univ. of North Carolina at Chapel Hill, Chapel Hill, NC 27599 (corresponding author). ORCID: .
2. Lead Health Scientist, Health Science Portfolio, ICF, 2635 Meridian Pkwy Suite 200, Durham, NC 27713; formerly, Graduate Research Assistant, Dept. of Environmental Sciences and Engineering, Univ. of North Carolina, Chapel Hill, NC 27599. ORCID: .