1 Department of Dermatology, Dr Ram Manohar Lohia Hospital Atal Bihari Vajpayee Institute of Medical Sciences (RMLH ABVIMS), New Delhi, India. Electronic address: drseemashekhar@gmail.com.
2 Department of Dermatology, Dr Ram Manohar Lohia Hospital Atal Bihari Vajpayee Institute of Medical Sciences (RMLH ABVIMS), New Delhi, India.