Robert S. Danziger, MD, MBA, is Professor of Medicine at the University of Illinois Chicago, where he practices and teaches cardiology. He has also run a NIH-funded basic science laboratory studying heart failure and hypertension. Mary E. Gellens, MD, is a nephrologist who has been a practicing physician and academic faculty member. She is currently the Senior Director of Medical Affairs at Baxter International, Inc., which provides innovative solutions for patients. Nancy Peske is a writer, editor, and book publishing consultant specializing in nonfiction.