1. Department of Physiology, Vardhaman Mahavir Medical College & Safdarjung Hospital, New Delhi, India.
2. Department of Cardiothoracic & Vascular Surgery, Vardhaman Mahavir Medical College & Safdarjung Hospital, New Delhi, India.
3. Department of Biochemistry, B.R. Ambedkar Centre For Biomedical Research, University of Delhi, Delhi, India.
4. Department of Physiology, Hamdard Institute of Medical Sciences & Research, Jamia Hamdard, New Delhi, India.