1 Department of Dermatology, Dr. Ram Manohar Lohia Hospital & Atal Bihari Vajpayee Institute of Medical Sciences, New Delhi, India. Electronic address: drananta2014@gmail.com.
2 Department of Dermatology, Dr. Ram Manohar Lohia Hospital & Atal Bihari Vajpayee Institute of Medical Sciences, New Delhi, India.