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Grochtdreis T, Brettschneider C, Shedden-Mora M, Piontek K, König HH, Löwe B.Grochtdreis T, et al. Among authors: piontek k.J Ment Health Policy Econ. 2018 Jun 1;21(2):59-69.J Ment Health Policy Econ. 2018.PMID: 29961045Clinical Trial.