1. Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA;
2. Department of Hematology, The First Affiliated Hospital of Nanjing Medical University, Jiangsu Province Hospital, Nanjing, China;
3. Department of Pharmacology, Pennsylvania State University College of Medicine, Hershey, PA;
4. Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA; and
5. Department of Pathology and Human Anatomy, Loma Linda University, Loma Linda, CA