About the Authors

Peter A Singer

To whom correspondence should be addressed. E-mail: peter.singer@utoronto.ca

Andrew D Taylor
Abdallah S Daar
Ross E. G Upshur
Jerome A Singh
James V Lavery

Competing Interests

The authors work on the Ethical, Social and Cultural Program for the Grand Challenges in Global Health Initiative, which is funded by the Bill & Melinda Gates Foundation. An early draft of this paper was circulated to the Grand Challenges in Global Health community, including program officers of the supporting foundations who had the opportunity to provide comments.