1. Department of Pathology, Dharamshila Narayana Superspeciality Hospital, New Delhi, India
2. Department of Surgical Pathology, Dharamshila Narayana Superspeciality Hospital, New Delhi, India
3. Department of ENT, MMI Narayana Superspeciality Hospital, Raipur, Chattisgarh, India
4. Department of Nephrology, MMI Narayana Superspeciality Hospital, Raipur, Chattisgarh, India,