With Volume 18, Number 1, the journal goes digital, putting full articles online after publication of the print issue, beginning its open-access policy where articles are available without any fees.

Due to HHS and NIH restructuring, as of March 2025, this website will be maintained, but no new content will be added.
With Volume 18, Number 1, the journal goes digital, putting full articles online after publication of the print issue, beginning its open-access policy where articles are available without any fees.