1. From the Clarian Health Partners, Methodist Hospital Institute for Kidney Stone Disease and Indiana University School of Medicine, Indianapolis, Indiana, Division of Urology, Department of Surgery, Duke University Medical Center, Durham, North Carolina, Division of Urology, University of Western Ontario, London, Ontario, Canada, Department of Urology, Mayo Clinic, Rochester, Minnesota, Associates in Urology, West Orange, New Jersey, and Georgia Urology, Atlanta, Georgia