1. The Warren Alpert Medical School of Brown University, Providence, RI
2. Department of Pediatrics, Center for International Health Research, and Department of Pathology and Laboratory Medicine, Rhode Island Hospital, Providence, RI
3. Department of Center for International Health Research, and Department of Pathology and Laboratory Medicine, Rhode Island Hospital, Providence, RI
4. Department of Pathology and Laboratory Medicine, Rhode Island Hospital, Providence, RI
5. Department of Pediatrics, Women and Infants Hospital of Rhode Island, Providence, RI
6. Departments of Clinical Immunology and Transfusion Medicine and 7Clinical and Experimental Medicine, Linkoping University, Linkoping, Sweden
7. Departments of Clinical and Experimental Medicine, Linkoping University, Linkoping, Sweden
8. Research Institute for Tropical Medicine, Manila, Philippines
9. Remedios Trinidad Romualdez Hospital, Tacloban City, Leyte, Philippines