1. Department of Pathology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
2. Duke University Medical Center, Durham, NC, USA
3. College of American Pathologists, Washington, DC, USA
4. Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA
5. College of American Pathologists, Northfield, IL, USA
6. Uniformed Services, University of the Health Sciences, Bethesda, MD, USA
7. George Washington University Medical Center, Washington, DC, USA
8. American Board of Pathology, Tampa, FL, USA
9. Weill Cornell Medical College Houston, TX, USA
10. Houston Methodist Hospital, Houston, TX, USA
11. Charleston Pathology, PA, Charleston, SC, USA
12. Department of Pathology, Wake Forest University School of Medicine, Winston-Salem, NC, USA