1. Molecular Genetics Laboratory, International Centre for Diarrhoeal Disease Research, Dhaka, Bangladesh.
2. Biotechnology and Genetic Engineering Discipline, Khulna University, Khulna, Bangladesh.
3. Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka, Bangladesh.
4. Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland.
5. Department of Microbiology and Molecular Genetics, Harvard Medical School, Boston, Massachusetts.