1. Department of Dermatology & STD, Pandit Madan Mohan Malaviya Hospital, Malviya Nagar, New Delhi, India
2. Department of Dermatology and Cutaneous Surgery, University of Missouri-Kansas City School of Medicine, United States
3. Department of Dermatology & STD, Vardhman Mahavir Medical College and Safdarjung Hospital, South Delhi, India