1. From the Department of Pathology and Microbiology, University of Nebraska Medical Center Nebraska Medicine, Omaha (Cushman-Vokoun)
2. The Breast and Ovarian Cancer Program, The Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, Maryland (Lauring)
3. The Department of Pathology, Washington University School of Medicine, Saint Louis, Missouri (Pfeifer)
4. The Department of Pathology, Children's Hospitals and Clinics of Minnesota, Minneapolis (Olson)
5. Molecular Pathology Genomics, Swedish Cancer Institute Lab, Seattle, Washington (Berry)
6. The Department of Pathology, University of California, San Diego (Thorson)
7. The Department of Pathology, University of Utah, ARUP Laboratories Institute for Clinical and Experimental Pathology, Salt Lake City (Voelkerding);
8. The Department of Anatomic Pathology, Cleveland Clinic, Cleveland, Ohio (Myles)
9. The Department of Pathology and Laboratory Medicine, Brown University Alpert Medical School, Lifespan Academic Medical Center, Providence, Rhode Island (Barbeau)
10. The Department of Molecular and Clinical Pathology, PathGroup Lab LLC, Nashville, Tennessee (Chandra)
11. The Department of Genomic Diagnostics, Children's Hospital of Philadelphia, Perelman School of Medicine, University of Pennsylvania, Philadelphia (Li)
12. The Department of Medical and Molecular Genetics, Indiana University, Indianapolis (Vance)
13. The Department of Anatomic and Clinical Pathology, PeaceHealth Medical Center, Vancouver, Washington (Jensen)
14. Proficiency Testing, College of American Pathologists, Northfield, Illinois (Hansen)
15. The Department of Laboratory Medicine and Pathology, University of Minnesota Medical Center, Minneapolis (Yohe)