1. ICMR-National Institute of Cholera and Enteric Diseases, Kolkata, West Bengal, India
2. Collaborative Research Center of Okayama University for Infectious Diseases in India at ICMR-NICED, Kolkata, West Bengal, India
3. Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama University, Okayama, Japan
4. Oral Microbiome Center, Taniguchi Dental Clinic, Takamatsu, Kagawa, Japan
5. Graduate School of Bioagricultural Sciences, Nagoya University, Nagoya, Aichi, Japan