Received: 8 October 2019
Accepted: 14 February 2020
First Online: 26 February 2020
Compliance with ethical standards
: All the authors declare no conflict of interest for this article (ICMJE Form for Disclosure of Potential Conflicts of Interest).
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions.
: All data were anonymously collected and, according to the Loi Jardé, no patient consent was needed, as the treatment implemented in this study was the standard recommended therapy.