1. Department of Pathology and Laboratory Medicine; Dartmouth-Hitchcock Medical Center; Lebanon New Hampshire
2. Department of Internal Medicine; Dartmouth-Hitchcock Medical Center; Lebanon New Hampshire
3. Department of Medicine, Geisel School of Medicine; Dartmouth College; Hanover New Hampshire
4. Institute of Hematology and Transfusion Medicine; Warsaw Poland
5. Diagnostic Laboratories and Blood Research Institute, BloodCenter of Wisconsin; Milwaukee Wisconsin
6. Department of Pathology; Medical College of Wisconsin; Milwaukee Wisconsin
7. Blood and Marrow Transplant Program; Norris Cotton Cancer Center; Hanover New Hampshire