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This project was supported by the U.S. Department of Defense; (DAMD 17-89-C9086 and DAMD 17-99-C9049), the U.S. Department of Health and Human Services; (PR-470644, PR-470645, 273-MH-901198, 273-MH-913119, P-0158-00-6-00, 0009554547, and 263-MD-635973), the U.S. Environmental Protection Agency; (CR-823615, R-827241-01), the U.S. Department of Veterans Affairs; (V101 P-1578), and the American Industrial Health Council. All contracts and awards were between the sponsoring agency or organization and the National Academy of Sciences. Any opinions, findings, conclusions, or recommendations expressed in this publication are those of the author(s) and do not necessarily reflect the view of the organizations or agencies that provided support for this project.
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