1. Pittsburgh Heart, Lung, Blood, and Vascular Medicine Institute; University of Pittsburgh; Pittsburgh Pennsylvania
2. Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine; University of Pittsburgh; Pittsburgh Pennsylvania
3. Laboratory Medicine and Pathology; University of Alberta; Edmonton Alberta Canada
4. Canadian Blood Services, Centre for Innovation; Edmonton Alberta Canada
5. Bloodworks NW Research Institute; University of Washington School of Medicine; Seattle Washington
6. Department of Laboratory Medicine; University of Washington School of Medicine; Seattle Washington
7. Department of Medicine, Division of Hematology; University of Washington School of Medicine; Seattle Washington