1. University of Alabama at Birmingham, Birmingham, Alabama
2. Beaumont Hospital, Royal Oak, Michigan
3. Loyola University, Maywood, Illinois
4. University of Utah, Salt Lake City, Utah
5. University of California San Diego, San Diego, California
6. University of Texas at San Antonio, San Antonio, Texas
7. Magee Women’s Hospital, Pittsburgh, Pennsylvania
8. University of Maryland, Baltimore, Maryland
9. University of Texas Southwestern, Dallas, Texas
10. New England Research Institute, Watertown, Massachusetts