1. Division of Biochemistry ICMR‐National Institute of Cholera and Enteric Diseases Kolkata India
2. Division of Bacteriology ICMR‐National Institute of Cholera and Enteric Diseases Kolkata India
3. Infectious Diseases and Beliaghata General Hospital Kolkata India
4. Dr. B.C.Roy Post Graduate Institute of Pediatric Sciences Kolkata India
5. Division of Epidemiology ICMR‐National Institute of Cholera and Enteric Diseases Kolkata India