1. Atal Bihari Vajpayee Institute of Medical Sciences and Dr Ram Manohar Lohia Hospital, New Delhi, India
2. Department of Dermatology, North DMC Medical College & Hindu Rao Hospital, Gandhi Square, Malka Ganj, Delhi, India
3. Department of Dermatology, Buckhinghumshire NHS Trust, Buckhinghumshire, UK
4. Department of Dermatology, Gian Sagar Medical College and Hospital, Banur, Punjab, India