Acknowledgements

The principal investigators of the study were Edna Oppenheimer and Adrian Reynolds.

This study was conceived and commissioned by the Regional Task Force on Drug Use and HIV Vulnerability. The members of the Task Force also contributed in reviewing the document several times. We are particularly grateful to the Task Force members.

Christian Kroll was responsible for major part of the editing and bringing the document to its present form. Many other sources were consulted and we would like to thank the following agencies and people in particular for their considerable technical input in the development of this document:

Wayne Bazant, United Nations International Drug Control Programme Regional Centre for East Asia and the Pacific.

Werasit Sittitri, Policy, Strategy and Research, UNAIDS.

Wiwat Rojanapithayakorn, UNAIDS Asia Pacific Intercountry Team.

Asian Harm Reduction Network.

The responsible staff member was Anindya Chatterjee, UNAIDS Asia Pacific Intercountry Team, Bangkok.