The following kindly commented on earlier drafts: Odilia Maessen, Consultant; Philip Fergusson, African Foundation for Development (AFFORD); Jeff Thindwa and Sarah Atwell, World Vision UK; Peter Ross, University of Edinburgh, Scotland; Philip Bradley, University of Hull, England; Villia Jeffremovas, Carlton University, Canada; Ian Smith, WHO TDR, Nepal; Murtaza Jaffer, Mazingira Institute, Nairobi, Kenya; John Hailey, Oxford Brookes University, Oxford, England.

Our thanks to the many who participated in field testing of the manual at various sites. In particular, we would like to thank the participants and trainers at workshops held in Hyderabad, India, for their enthusiastic support and helpful comments.