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Article History

Accepted: 22 April 2021

First Online: 17 May 2021

Declarations

:

: No sources of funding were used to conduct this study or prepare this manuscript.

: Dr. Cristina Fernandez-Carbonell and Dr. Charvet have have no conflicts of interest that are directly relevant to the content of this article. Dr. Krupp has served as a consultant to Novartis, Biogen, and Sanofi Aventis and received funding from Biogen.

: Not applicable.

: Not applicable.

: Not applicable.

: Not applicable.

: Not applicable.

: CF-C contributed to the study concept and design, the literature review, and prepared the first draft of the manuscript. LEC contributed to the study concept, the literature review, and critical revision of the manuscript for important intellectual content. LBK contributed to the study concept and design, the literature review, and critical revision of the manuscript for important intellectual content. All authors read and approved the final version.