1. Departments of Surgery and Dermatology and Venereology; University College of Medical Sciences, and Guru Teg Bahadur Hospital; Delhi-110 095 India
2. Departments of Surgery; Jawaharlal Institute of Postgraduate Medical Education & Research; Pondicherry 605 006 India
3. Departments of Pathology; Jawaharlal Institute of Postgraduate Medical Education & Research; Pondicherry 605 006 India