1. New England Veterans Engineering Resource Center; Boston Veterans Health Administration; Boston MA
2. Engineering Systems Division; Massachusetts Institute of Technology; Cambridge MA
3. Emergency Medicine Service; Boston Veterans Health Administration; Boston MA
4. Emergency Medicine Service; Manhattan Veterans Health Administration; New York NY
5. Department of Emergency Medicine; Newton-Wellesley Hospital; Newton MA
6. Department of Emergency Medicine; University of Massachusetts Medical School; Worcester MA
7. Healthcare Systems Engineering Institute; Northeastern University; Boston MA