1. Department of General Medicine, Dr. NTR University of Health Sciences, Vijayawada, Andhra Pradesh, India
2. Intern, Konaseema Institute of Medical Sciences and Research Foundation, Amalapuram, Andhra Pradesh, India
3. Department of Research and Development, Great Eastern Medical School and Hospital, Srikakaulam, Andhra Pradesh, India
4. General Medicine, Great Eastern Medical School and Hospital, Srikakaulam, Andhra Pradesh, India
5. Microbiology, Great Eastern Medical School and Hospital, Srikakaulam, Andhra Pradesh, India