1. From the Department of Pathology, Massachusetts General Hospital, Boston (Torous, Klepeis)
2. the Department of Pathology, Malcom Randall Veterans Affairs Medical Center, University of Florida, Gainesville (Allan)
3. the Department of Pathology, UT Southwestern Medical Center, Dallas, Texas (Balani)
4. the Department of Pathology, University of Florida College of Medicine, Jacksonville (Baskovich)
5. the Department of Pathology, Atlanta Emory University School of Medicine at Grady Hospital, Atlanta, Georgia (Birdsong)
6. Health Network Laboratories, Bethlehem, Pennsylvania (Dellers)
7. the North American Association of Central Cancer Registries, Portland, Oregon (Dryden)
8. the Department of Pathology, The University of Texas MD Anderson Cancer Center, Houston (Edgerton)
9. the Department of Pathology, Vanderbilt University Medical Center, Nashville, Tennessee (Giannico)
10. the Department of Pathology, Einstein Medical Center Montgomery, East Norriton, Pennsylvania (Heayn)
11. the Department of Pathology, Dartmouth-Hitchcock Medical Center, Lebanon, New Hampshire (Jackson, Pettus)
12. the Department of Pathology, Geisinger Medical Center, Danville, Pennsylvania (Olson)
13. the Department of Pathology, Park Nicollet-Methodist Hospital, St Louis Park, Minnesota (Simpson)
14. the Department of Pathology, Memorial Sloan Kettering Cancer Center, New York, New York (Sirintrapun)
15. Pathology Consultants PC, Springfield, Oregon (Smith)
16. the Department of Pathology, Trillium Health Partners and University of Toronto, Toronto, Ontario, Canada (Srigley)
17. and the Department of Pathology, Jefferson Hospital, Allegheny Health Network, Jefferson Hills, Pennsylvania (Berman)