Funding for the Epidemiological Survey of Substance Abuse 2018 is provided by the German Federal Ministry of Health (grant number ZMVI1-2517DSM200). There are no conditions attached to the funding.

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Funding for the Epidemiological Survey of Substance Abuse 2015 is provided by the German Federal Ministry of Health (grant number IIA5-2514DSM200). There are no conditions attached to the funding.

The Laender Studies are funded by the Ministries of the Bundeslaender:

• Bavaria: Bavarian Ministry of Public Health and Care Services
• Berlin: Senate Administration for Health and Social Affairs
• Hamburg: Office for Health and Social Affairs
• Hesse: Hessian Ministry of Social Affairs and Integration
• North Rhine-Westphalia: Ministry of Health, Equalities, Care and Ageing
• Rhineland-Palatinate: Ministry for Employment, Social Affairs, Health Care, Family and Women
• Saxony: Saxonian Ministry for Social Affairs and Consumer Protection
• Thuringia: Thuringian Ministry of Social Affairs, Family and Public Health