A previous Expression of Concern has been published for this article [1]. This is the current Expression of Concern and provides an update to replace the previous Expression of Concern [2].
The Editors of this journal have published this Expression of Concern to alert readers that doubts, that appear to be founded, have been raised about whether proper and effective approval was obtained from an appropriate and independent ethics committee to conduct the clinical study it reports.
Anzeige
Concerns, that appear to be founded, have also been expressed about the scientific content of the article. There has been no response from any of the authors to the Editor’s efforts to seek confirmation about the ethics approval status of this study. Furthermore, in a judicial declaration, Dr. Emanuela Raffone has denied authorship of this article. Pending further investigation, appropriate editorial action might be taken, if additional information becomes available.
Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.