1. Mechanical and Instruments Division, Bioengineering Group, The Charles Stark Draper Laboratory, 555 Technology Square MS37, Cambridge, Massachusetts 02139, Correlogic Systems, Inc., 6701 Democracy Boulevard, Suite 300, Bethesda, Maryland 20817, Department of Immunology and Infectious Diseases, Tropical & Geographic Medicine Center, Massachusetts General Hospital, 55 Fruit Street, Boston, Massachusetts 02114, Department of Pediatric Medicine, Massachusetts General Hospital for Children, 15 Parkman Street,...