1. Brown University, Providence, RI
2. George Washington University, Washington, DC
3. University of Texas Medical Branch, Galveston, TX
4. Northwestern University, Chicago, IL
5. Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD
6. University of Alabama at Birmingham, Birmingham, AL
7. Columbia University, New York, NY
8. University of Utah Health Sciences Center, Salt Lake City, UT
9. University of North Carolina at Chapel Hill, Chapel Hill, NC
10. Ohio State University, Columbus, OH
11. Duke University, Durham, NC
12. University of Colorado School of Medicine, Anschutz Medical Campus, Aurora, CO
13. Case Western Reserve University, Cleveland, OH
14. University of Texas Health Science Center at Houston, Houston, TX
15. Stanford University, Stanford, CA
16. University of Texas Southwestern Medical Center, Dallas, TX
17. University of Pennsylvania, Philadelphia, PA
18. University of Pittsburgh, Pittsburgh, PA
19. Madigan Army Medical Center, Joint Base Lewis–McChord, WA
20. Washington University, Saint Louis, MO