1. Molecular Medicine Program, Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD;
2. Molecular and Clinical Hematology Branch, National Heart, Lung, and Blood Institute, Bethesda, MD;
3. Division of Veterinary Resources, Office of Research Services, Office of the Director, National Institutes of Health, Bethesda, MD; and
4. Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kanazawa, Japan