1. From the Departments of Anatomy and Cell Biology and Medicine, Indiana University School of Medicine and Department of Pharmacology and Toxicology, Indiana University School of Medicine and Methodist Hospital Institute for Kidney Stone Disease, Indianapolis, Indiana, Center for Industrial and Medical Ultrasound, Applied Physics Laboratory, University of Washington, Seattle, Washington, and Department of Histology, Jinzhou Medical College, Jinzhuo, Liaoning, People’s Republic of China