1. Manonmaniam Sundaranar University, Tirunelvelli, Tamil Nadu, India
2. National Center for Disease Informatics and Research (ICMR), Bangalore, Karnataka, India
3. Department of Mathematics, L.N Government College, Ponneri, Tamil Nadu, India
4. National Institute of Epidemiology (ICMR), Ayapakkam, Chennai, Tamil Nadu, India
5. National Institute for Research in Tuberculosis (ICMR), Chetpet, Chennai, Tamil Nadu, India