1. Department of Skin and Venereal Disease Patna Medical College Patna800004India
2. PGT, Department of Conservative Dentistry and Endodontics Buddha Institute of Dental Sciences and Hospital
3. Skinnoncence, The Skin Center and Reaearch Centre GurugramIndia
4. Department of Dermatology, Venereology and Leprology Postgraduate Institute of Medical Education & Research (PGIMER) ChandigarhIndia