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Disclaimer
This publication has been produced with the financial support of the Drug Prevention and Information Programme (DPIP)/Prevention of and Fight Against Crime Programme (ISEC)of the European Union. The contents of this publication are the sole responsibility of Dr David Wood and Dr Paul Dargan, Guy's and St Thomas’ NHS Foundation Trust, London, UK and can in no way be taken to reflect the views of the European Commission.
Funding
With financial support from the DPIP/ISEC Programme of the European Union.
The following authors of this paper have funding from the European Commission through the Euro-DEN project: DMW, FH, CY, AD, KEH and PID.
Declaration of interest
The authors report no declarations of interest. The authors alone are responsible for the content and writing of the paper.