About the Authors

The PLoS Medicine Editors


Competing Interests

The authors' individual competing interests are at http://www.plosmedicine.org/static/editorsInterests.action. PLoS is funded partly through manuscript publication charges, but the PLoS Medicine Editors are paid a fixed salary (their salary is not linked to the number of papers published in the journal).

Author Contributions

Wrote the first draft of the paper: JC. Contributed to the writing of the paper: VB SJ LP EV GY.