Institution: | (1) Department of Diagnostic Radiology, Veterans Administration Medical Center, USA;(2) Department of OrthopedicSurgery, Veterans Administration Medical Center, USA;(3) University of California Hospital, San Diego, California, USA;(4) Mallinckrodt Institute of Radiology, St. Louis, Missouri, USA;(5) Department of Radiology, Baylor University Medical Center, Dallas, Texas, USA;(6) Department of Radiology, Veterans Administration, Medical Center, 3350 La Jolla Village Drive, 92161 San Diego, CA, USA |