1. Bloodworks Northwest Research Institute, Seattle, WA (H.J.L., D.B., T.Ö., A.C., S.L.B., N.R., F.R., R.A., X.F., M.S.).
2. Division of Hematology, Department of Medicine (M.C.S., X.F., M.S.), University of Washington Medical Center, Seattle.
3. Department of Pharmacology, University of Michigan, Ann Arbor (M.H.).
4. Department of Laboratory Medicine and Pathology (M.S.), University of Washington Medical Center, Seattle.