The EMSC NRC is supported by the Health Resources and Services Administration (HRSA) of the U.S. Department of Health and Human Services (HHS) under a Cooperative Agreement for $1.5 million, grant number U07MC09174. This information or content and conclusions are those of the authors and should not be construed as the official position or policy of, nor should any endorsements be inferred by HRSA, HHS or the U.S. Government. BLUE BEAR and the Blue Bear Composite Logo Mark are owned by HHS.