- Correspondence to: Dr Jeff Collin Centre on Global Change and Health, London School of Hygiene and Tropical Medicine, Keppel Street, London WC1E 7HT, UK;
- Published in print 1 December 2004.
- Published online 24 November 2004.
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.