1. Regional Medical Research Centre, Department of Epidemiology , Odisha 751023, India
2. Indian Council of Medical Research, Department of Epidemiology and Communicable Disease , Delhi 110029, India
3. National Institute of Virology, Department of Epidemiology , Pune 411021, India
4. National Institute of Cholera and Enteric Diseases, Department of Bacteriology , West Bengal 700010, India
5. National Institute of Epidemiology, Department of Public Health , Chennai 600077, India
6. Regional Medical Research Centre, Department of Epidemiology , Assam 786001, India