Pamela Ellsworth, MD, is a Professor of Urology at University of Central Florida College of Medicine. She is also Chief of the Division of Pediatric Urology at Nemours Children’s Hospital in Orlando, Florida. Dr. Ellsworth is the author of many Jones & Bartlett Learning patient guides, including Little Black Book of Urology, 100 Questions & Answers About Erectile Dysfunction, 100 Questions & Answers About Bladder Cancer, and 100 Questions & Answers About Overactive Bladder and Incontinence as well as numerous book chapters and peer-reviewed journal articles. She has lectured throughout the world on a variety of urologic topics.Brett Carswell, MD, is a graduate of Duke University and the University of Massachusetts Medical School. He is currently conducting research in prostate and bladder cancer prior to being appointed Chief Resident of Urology at the University of Massachusetts in Worcester, MA in July, 2005.