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Article History

Received: 4 July 2021

Accepted: 27 August 2021

First Online: 27 September 2021

Declarations

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: Ethics committee approval for the umbilical cord Wharton’s jelly derived mesenchymal stem cell (WJ-MSC) study was obtained from the Ankara University Faculty of Medicine Clinical Research Ethics Committee (19-1293-18) and was also approved by the Review Board of the Cell, Organ, and Tissue Transplantation Department within the Turkish Ministry of Health (56733164/203 E.1925). Ethics committee approval for the transcranial electromagnetic stimulation study was obtained from the Ankara University Faculty of Medicine Clinical Research Ethics Committee (17-1177-18) as well as and Review Board of the Drug and Medical Device Department within the Turkish Ministry of Health (2018-136). The study was performed in accordance with the tenets of the 2013 Declaration of Helsinki. Written informed consent was obtained from the patients prior to enrollment. Authorship—All named authors meet the International Committee of Medical Journal Editors (ICMJE) criteria for authorship for this article, take responsibility for the integrity of the work as a whole, and have given their approval for this version to be published. Medical Writing Assistance—Medical writing and editorial assistance was provided by Ali Hariri from the American Manuscript Editors Company, which was funded by the authors.

: Not applicable.

: The authors declare that they have no competing interests.