Text and Data Mining valid from 2019-08-29
Received: 28 May 2019
Accepted: 9 August 2019
First Online: 29 August 2019
Compliance with ethical standards
: Andre Laurine, Gallini Adeline, Montastruc François, Montastruc Jean-Louis, Piau Antoine, Lapeyre-Mestre Maryse, and Gardette Virginie have no conflicts of interest directly relevant to the content of this study.