Text and Data Mining valid from 2018-09-20
Received: 21 August 2018
Accepted: 25 August 2018
First Online: 20 September 2018
Compliance with ethical standards
: The authors declare that they have no conflict of interest to disclose.
: This work was approved by our institutional review board (IPC—Comité d’Orientation Stratégique). All procedures performed in this study involving human participants were done in accordance with the French ethical standards and with the 2008 Helsinki declaration.
: All included patients provided written informed consent before surgery.