1. Blood Research Institute, BloodCenter of Wisconsin, Milwaukee, WI;
2. Immunology Research Group, Department of Medical Biology, The Arctic University of Norway, Tromsø, Norway;
3. Department of Laboratory Medicine, University Hospital of North Norway, Tromsø, Norway;
4. Department of Biochemistry,
5. Department of Pharmacology, and
6. Department of Cell Biology, Medical College of Wisconsin, Milwaukee, WI