1. Collaborative Research Center of Okayama University for Infectious Diseases in India, Kolkata, India
2. Department of Bacteriology I, National Institute of Infectious Diseases, Tokyo, Japan
3. icddr,b - International Center for Diarrheal Diseases Research, Bangladesh, Dhaka, Bangladesh
4. ICMR—National Institute of Cholera and Enteric Diseases, Kolkata, India
5. Department of Biotechnology and Bioinformatics, University of Hyderabad, Hyderabad, India