1. Department of Radiology, University of Michigan School of Medicine, Ann Arbor, Michigan.
2. Department of Graduate Medical Education, St. John Providence Hospital, Southfield, Michigan.
3. Department of Behavioral Sciences and Health Education, Rollins School of Public Health, Emory University, Atlanta, Georgia.
4. Department of Obstetrics and Gynecology, University of Michigan School of Medicine, Ann Arbor, Michigan.
5. University of Michigan Institute for Healthcare Policy and Innovation, Ann Arbor, Michigan.
6. University of Michigan Program for Imaging Comparative Effectiveness and Health Services Research, Ann Arbor, Michigan.