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Article History

First Online: 31 October 2018

Compliance with Ethical Standards

:

: AR has received personal fees from Eisai, Sandoz and UCB Pharma outside the submitted work. GV has received personal fees from Fidia Farmaceutici outside the submitted work. VF, FP, CL, ER, DC, and RM declare that they have no competing interests.

: This article does not contain any studies with humans or animals performed by any of the authors.