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Treatment of Attention Deficit Hyperactivity Disorder with Monoamine Amino Acid Precursors and Organic Cation Transporter Assay Interpretation [Expression of Concern]

Authors Hinz M, Stein A, Neff R, Weinberg R, Uncini T

Received 14 April 2020

Accepted for publication 14 April 2020

Published 23 April 2020 Volume 2020:16 Pages 1067—1068

DOI https://doi.org/10.2147/NDT.S240087


Hinz M, Stein A, Neff R,Weinberg R, Uncini T. Neuropsych Dis Treat. 2011;7:31–38.

The Editor-in-Chief and Publisher of Neuropsychiatric Disease and Treatment wish to issue an Expression of Concern for the published article.

Concerns have been raised regarding the alleged undisclosed competing interests of some of the authors, and the level of information provided on methodology, study data and process of institutional ethical approval for the published article. Neuropsychiatric Disease and Treatment would like to alert readers of this while our investigation is still ongoing and we will provide an update following the conclusion of our investigation.

The authors have been informed of these concerns and of our investigation.


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