1. Centre for Food and Waterborne Disease, International Center for Diarrheal Disease Research , Bangladesh, Mohakhali (icddr,b), Dhaka Bangladesh
2. Department of Bacteriology, National Institute of Infectious Diseases , Toyama Shinjuku-Ku Tokyo Japan
3. Department of Civil and Environmental Engineering, WE REASoN (Water and Environmental Research, Education, and Actionable Solutions Network), Tufts University , Medford MA USA
4. Department of International Health, Bloomberg School of Public Health, Johns Hopkins University , Baltimore MD USA
5. Maryland Pathogen Research Institute, University of Maryland College Park MD USA
6. Center for Bioinformatics and Computational Biology, Institute for Advanced Computer Studies, University of Maryland College Park Maryland 20742, MD USA