1. Division of Infectious Diseases, Department of General Medicine, Amrita Institute of Medical Science and Research Centre, Amrita Vishwa Vidyapeetham , Kochi, Kerala , India
2. Department of Infection Control and Epidemiology, Amrita Institute of Medical Science and Research Centre, Amrita Vishwa Vidyapeetham , Kochi, Kerala , India
3. Department of Medical Administration, Amrita Institute of Medical Science and Research Centre, Amrita Vishwa Vidyapeetham , Kochi, Kerala , India
4. Department of Anaesthesiology and Critical Care, Amrita Institute of Medical Science and Research Centre, Amrita Vishwa Vidyapeetham , Kochi, Kerala , India
5. Center for Research in Analytics and Technology for Education, Amrita Vishwa Vidyapeetham , Kollam, Kerala , India
6. Division of Internal Medicine, Department of Infectious Diseases, Infection Control and Employee Health, The University of Texas MD Anderson Cancer Center , Houston, Texas , USA