- Correspondence to Dr Melba Gomes, UNICEF/UNDP/World Bank/WHO Special Programme for Research & Training in Tropical Diseases, World Health Organization, 1211 Avenue Appia, Geneva 27, Geneva, Switzerland; .
- Received May 3, 2009
- Revised October 9, 2009
- Accepted November 9, 2009
- First published February 4, 2010.
If you wish to reuse any or all of this article please use the link below which will take you to the Copyright Clearance Center’s RightsLink service. You will be able to get a quick price and instant permission to reuse the content in many different ways.