Electronic data

• Journal

  Rights statement: Copyright: © 2007 Ellison et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

  Final published version, 67.1 KB, PDF document

  Available under license: CC BY

Links

• http://www.plosmedicine.org/article/info:doi/10.1371/journal.pmed.0040287

Text available via DOI:

• https://doi.org/10.1371/journal.pmed.0040287

  Final published version