1. Department of Laboratory Medicine,
2. Department of Medicine,
3. Velico Medical, Beverly, Massachusetts;
4. Department of Clinical Immunology and Transfusion Medicine and
5. Department of Biomedical and Clinical Sciences, Linköping University, Linköping, Sweden;
6. NHS Blood and Transplant, Holland Drive, Newcastle-upon-Tyne, United Kingdom; and
7. Serious Hazards of Transfusion, Manchester Blood Center, Plymouth Grove, Manchester, United Kingdom
8. Cardiovascular Research Institute, and
9. Department of Anesthesia, University of California San Francisco, San Francisco, California;