1. From Novis Consulting, LLC, Brunswick, Maine (Novis);
2. the Department of Biostatistics, College of American Pathologists, Northfield, Illinois (Long, Blond)
3. the Department of Pathology, St Joseph Mercy Hospital, Ann Arbor, Michigan (Tworek)
4. the Department of Pathology, University of Oklahoma College of Medicine, Oklahoma City (Talbert)