1. Department of Pathology, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India,
2. Department of Medicine, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India,
3. Department of Radiodiagnosis, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India,
4. Department of Paediatrics, Vardhman Mahavir Medical College and Safdarjung Hospital, New Delhi, India,