1. From the Department of Dermatology, Calcutta National Medical College, Kolkata, India
2. Department of Dermatology, Kosmoderma Clinic, Bangalore, India
3. Department of Dermatology, Kaya Skin Clinic, Delhi, India
4. Department of Pathology, IPGMER, Kolkata, India E-mail: dr_abhishek_de@yahoo.co.in