El Rafei, Mazen
Badr, Sammy
Lefebvre, Guillaume
Machuron, Francois
Capon, Benoist
Flipo, Rene-Marc
Cotten, Anne
Article History
Received: 21 January 2018
Revised: 4 May 2018
Accepted: 14 May 2018
First Online: 6 June 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Prof. Anne Cotten.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: One of the authors has significant statistical expertise.No complex statistical methods were necessary for this paper.
: Written informed consent was not required for this study because it was a retrospective study
: Institutional Review Board approval was obtained: This study was conducted in accordance with our local review board recommendations and with the Declaration of Helsinki.
: • retrospective• observational• performed at one institution