1. From the Department of Pathology, Froedtert Hospital and the Medical Colleges of Wisconsin, Milwaukee (Kroft)
2. Pathology Associates of Albuquerque, Albuquerque, New Mexico (Sever)
3. The Department of Pathology and Laboratory Medicine, Hospital of the University of Pennsylvania, Philadelphia (Bagg)
4. Governance Services (Billman), College of American Pathologists, Northfield, Illinois
5. The Department of Medicine, New York University School of Medicine, New York, New York (Diefenbach)
6. The Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts (Dorfman)
7. The Department of Pathology and Laboratory Medicine, Warde Medical Laboratory, Ann Arbor, Michigan (Finn)
8. The Department of Pathology, Stanford Health Care, Stanford, California (Gratzinger);
9. The Department of Pathology, Lehigh Regional Medical Center, Lehigh Acres, Florida (Gregg)
10. The Department of Hematology and Oncology, Weill Cornell Medical College, New York, New York (Leonard)
11. The Department of Medicine, University of Chicago Medicine, Chicago, Illinois (Smith)
12. Souter is in private practice in Wellandport, Ontario, Canada
13. The Department of Pathology, ARUP Laboratories Inc, Salt Lake City, Utah (Weiss)
14. The Pathology and Laboratory Quality Center (Ventura), College of American Pathologists, Northfield, Illinois
15. The Department of Medicine, Odette Cancer Centre/Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada (Cheung)