Abstract
1 Enteric and Food Microbiology Unit, Laboratory Sciences Division, International Centre for Diarrhoeal Disease Research Bangladesh (ICDDR, B), Dhaka, Bangladesh
2 Instituto de Investigación Nutricional, Lima, Peru
3 Department of Biology and Chemistry, City University of Hong Kong, Kowloon, Hong Kong
4 Graduate School of Life and Environmental Sciences, Osaka Prefecture University, Sakai, Osaka, Japan
5 Naval Medical Research Center Detachment, Lima, Peru
6 Instituto de Medicina Tropical e Infectologia, Facultad de Medicina, Universidad Nacional de Trujillo, Trujillo, Peru
7 Instituto Nacional de Salud, Lima Peru
8 CEPIS/SDE/OPS/OMS, Lima, Peru
9 Oficina General de Epidemiología, Lima, Peru
10 Johns Hopkins Bloomberg School of Public Health, Baltimore, MD 21205, USA
11 National Institute of Cholera and Enteric Diseases, P-33, CIT Scheme XM, Beliaghata, Kolkata 700 010, India