1. The Department of Pathology, UT Southwestern Medical Center and Children’s Health, Dallas, TX, USA
2. MGH Pathology Service, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
3. The Department of Pathology and Laboratory Medicine, Keck School of Medicine at USC, LAC+USC Medical Center, Los Angeles, CA, USA
4. The Department of Pathology, Houston Methodist Hospital, Houston, TX, USA
5. CAP Learning, College of American Pathologists, Northfield, IL, USA
6. The Joint Pathology Center, Silver Spring, MD, USA
7. Walter Reed National Military Medical Center, Bethesda, MD, USA
8. The Department of Pathology and Anatomy, Eastern Virginia Medical School, Norfolk, VA, USA
9. The Department of Pathology, University of Central Florida College of Medicine, Orlando, FL, USA
10. The Department of Pathology, Penn State Health Hershey Medical Center, Hershey, PA, USA
11. The Department of Pathology, Stanford University School of Medicine, Stanford, CA, USA
12. The Department of Pathology, University of Oklahoma Health Sciences Center, Oklahoma City, OK, USA
13. The Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA
14. ProPath Associates, Dallas, TX, USA
15. The Department of Pathology, Augusta University–Medical College of Georgia, Augusta, GA, USA
16. The Department of Pathology, Virginia Commonwealth University School of Medicine, Richmond, VA, USA
17. The Department of Pathology, Microbiology, and Immunology, Vanderbilt University School of Medicine, Nashville, TN, USA