THE EDITORS ARTHUR D. SMITH, MD, Chairman Emeritus, The Smith Institute for Urology, Hofstra Northwell School of Medicine, Northwell Health, New York, NY, USA GLENN M. PREMINGER, MD, Professor of Urology, Duke University Medical Center, Durham, NC, USA LOUIS R. KAVOUSSI, MD, Chairman of Urology, The Smith Institute for Urology, Hofstra Northwell School of Medicine, Northwell Health, New York, NY, USA GOPAL H. BADLANI, MD, Professor of Urology and Gynecology, Vice Chair Department of Urology, Wake Forest University, Winston-Salem, NC, USA