Preparation of this report and related maintenance and updating of the GISAH was a collaborative effort between the WHO Department of Mental Health and Substance Abuse, Management of Substance Abuse, and the Centre for Addiction and Mental Health (CAMH), Toronto, Canada. Contributions from Louis Gliksman, Jürgen Rehm and Marg Rylett of CAMH as well as from Gerhard Gmel of the Swiss Institute for the Prevention of Alcohol and Drug Problems, Lausanne, Switzerland, were essential to the development of this report. Peter Anderson of the University of Maastricht, School for Public Health and Primary Care, Maastricht, the Netherlands, and Maria Renström of.
