1. Department of Dermatology, Saraswathi Institute of Medical Sciences, Hapur, Uttar Pradesh, India
2. Department of Dermatology, ABVIMS, Dr. RML Hospital, New Delhi, India
3. Department of Pathology, PGIMER, Dr. RML Hospital, New Delhi, India,
4. Department of Dermatology, PGIMER, Dr. RML Hospital, New Delhi, India,