Text and Data Mining valid from 2019-05-17
Received: 27 August 2018
Accepted: 3 May 2019
First Online: 17 May 2019
Ethics approval and consent to participate
: Internal study was approved by French Ethics Committee CPP Ouest V, CHU Pontchaillou, Rennes, France (reference number: 07/09-626).
: Not applicable.
: The authors declare that they have no competing interests.
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