Institution: | (1) Department of Radiology, University of California and Veterans Administration Medical Center, San Diego, California, USA;(2) Department of Orthopedics, University of California and Veterans Administration Medical Center, San Diego, California, USA;(3) Department of Orthopaedic Surgery, Kaiser Hospital, San Diego, California, USA;(4) Department of Radiology, University of Manitoba Health Sciences Centre, 820 Sherbrook Street, R3A 1R9 Winnipeg, Manitoba, Canada |