Iqbal Singh1, Dhirendra Suman2, Sanjay Gupta3, Gaurav Garg4. 1. Urology Division, Department of Surgery, UCMS and GTB Hospital, New Delhi, India. 2. Department of Plastic Surgery, UCMS and GTB Hospital, New Delhi, India. 3. Department of Surgery, UCMS and GTB Hospital, New Delhi, India. 4. Department of Urology, King George's Medical University, Lucknow, India.