1. Department of Dermatology, Venereology and Leprology, PGIMER, Chandigarh, India
2. Department of Endocrinology, PGIMER, Chandigarh, India
3. Department of Histopathology, PGIMER, Chandigarh, India
4. Department of Ophthalmology, Chesterfield Royal Hospital, Calow, Chesterfield, Derbyshire, United Kingdom