1. School of Civil and Environmental Engineering; Georgia Institute of Technology; Atlanta GA USA
2. Center for Global Safe Water, Sanitation, and Hygiene; Rollins School of Public Health; Emory University; Atlanta GA USA
3. Hubert Department of Global Health; Rollins School of Public Health; Emory University; Atlanta GA USA
4. Department of Biostatistics; Rollins School of Public Health; Emory University; Atlanta GA USA
5. Wellcome Research Laboratory; Christian Medical College; Vellore India
6. Department of Community Health; Christian Medical College; Vellore India