Institution: | (1) Bone and Joint Center, Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA 94304, USA;(2) Biomechanical Engineering Group, Mechanical Engineering Department, Stanford University, Durand BME, Stanford, CA 94305, USA;(3) Present address: Musculoskeletal and Quantitative Imaging Research, Department of Radiology, University of California, 1700 4th Street, Suite 203, San Francisco, CA 94158, USA |