Sumit Sethi1, Rashmi Sarkar2, Vijay Garg2, Nita Khurana3. 1. Department of Dermatology, Maulana Azad Medical College and associated hospitals, New Delhi, India. sethi1587@gmail.com. 2. Department of Dermatology, Maulana Azad Medical College and associated hospitals, New Delhi, India. 3. Department of Pathology, Maulana Azad Medical College, New Delhi, India.