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Article History

First Online: 23 May 2018

Compliance with Ethical Standards

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: Uğur Uygunoğlu declares no potential conflicts of interest.Aksel Siva declares no potential conflicts of interest related to this article. His otherwise disclosures are honoraria and consultation fees from Novartis, Genzyme, Bayer, Biogen Idec, Merck Serono; Genzyme, Teva, and Roche; received travel and registration coverage for attending several national or international congresses or symposia, from Merck Serono, Biogen Idec/Gen Pharma of Turkey, Novartis, Teva; Genzyme and Roche.

: This article does not contain any studies with human or animal subjects performed by any of the authors.