| Institution: | (1) Department of Diagnostic Radiology, Los Angeles County-University of Southern California Medical Center, Los Angeles, California, USA;(2) Department of Internal Medicine, White Memorial Medical Center, Los Angeles, California, USA;(3) Department of Diagnostic Radiology, Southern California Permanente Medical Group, Los Angeles, California, USA;(4) Department of Physical Medicine, Southern California Permanente Medical Group, Los Angeles, California, USA;(5) Department of Internal Medicine, Century City Hospital, Los Angeles, California, USA;(6) Department of Radiology, The Western Pennsylvania Hospital, 4800 Friendship Avenue, 15224 Pittsburgh, PA, USA |
