1. From the Department of Laboratory Medicine & Pathobiology, University of Toronto, Toronto, Ontario, Canada (Smith)
2. The Department of Internal Medicine, Brigham & Women's Hospital, Boston, Massachusetts (Liauw)
3. The Department of Psychiatry, Stanford University School of Medicine, Palo Alto, California (Dupee)
4. The Department of Pathology (Barbieri, Parkash), Yale University School of Medicine, New Haven, Connecticut
5. The Department of Internal Medicine (Olson), Yale University School of Medicine, New Haven, Connecticut