1 Department of Radiological Sciences, University of California Irvine, Orange, California.
2 Department of Imaging Sciences, Emory University, Atlanta, Georgia.
3 Department of Radiology, University of Michigan, Ann Arbor, Michigan; Editor-in-Chief of Journal of American College of Radiology.
4 Department of Radiological Sciences, University of California Irvine, Orange, California; Director of Health Services and Comparative Outcome Research; Associate Chair for Faculty Development; Associate Editor for Journal of American College of Radiology. Electronic address: [email protected].