1. From the Department of Graduate Medical Education, ProMedica Monroe Regional Hospital, Monroe, Michigan (Schukow).
2. From the Department of Pathology, Northwestern University Feinberg School of Medicine, Chicago, Illinois (Booth).
3. From the Department of Pathology and Laboratory Medicine, Loyola University Chicago Stritch School of Medicine, Maywood, Illinois (Mirza).
4. From the Department of Pathology, Brigham and Women's Hospital, Boston, Massachusetts (Jajosky).