1. Department of General Surgery Unit 1, Christian Medical College Vellore, Vellore, India
2. Department of Internal Medicine Unit 4, Christian Medical College Vellore, Vellore, India
3. Department of Psychiatry Unit 2, Christian Medical College Vellore, Vellore, India
4. Department of Infectious Diseases, Christian Medical College Vellore, Vellore, India