1. Deparment of Radiodiagnosis, Pandit Bhagwat Dayal Sharma Post Graduate Institute of Medical Sciences (PGIMS), Rohtak, India.
2. Department of Radiodiagnosis, Shree Guru Gobind Singh Tricentenary Medical College, Gurgaon, India.
3. Department of Anaesthesiology, Pandit Bhagwat Dayal Sharma Post Graduate Institute of Medical Sciences (PGIMS), Rohtak, India.