1. Molecular Bacteriology Laboratory, Centre for Medical Biotechnology, Amity Institute of Biotechnology, Amity University, Sector-125, Noida, Uttar Pradesh, India
2. Department of Gastroenterology, Guwahati Medical College, Gauhati, Assam, India
3. National Institute of Cholera and Enteric Diseases, Kolkata, West Bengal, India
4. Department of Gastroenterology, Yashoda Super Specialty Hospital, Ghaziabad, 201001, Uttar Pradesh, India