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2015 National Empirical research – Quantitative

The National SOM Survey 2015
2019 Multinational Empirical research – Quantitative

ESPAD 2019
2015 Multinational Empirical research – Quantitative

ESPAD 2015
2011 National Empirical research – Quantitative

Swiss Cohort Study on Substance Use Risk Factors (C-SURF)
2022 Multinational Empirical research – Mixed methods

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