1. Department of Pharmacology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
2. Department of Pharmacology, Postgraduate Institute of Medical Education and Research (PGIMER), Room No. 4017, Research Block B, Chandigarh 160012, India
3. Department of General Surgery, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
4. Department of Medical Microbiology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India