1. Department of Dermatology, Venereology and Leprosy; Christian Medical College; Vellore Tamil Nadu India
2. Department of Pathology; Christian Medical College; Vellore Tamil Nadu India
3. Centre for Dermatology and Genetic Medicine; Division of Biological Chemistry and Drug Discovery; School of Life Sciences; University of Dundee; Dundee UK
4. Pachyonychia Congenita Project; Holladay UT USA