Text and Data Mining valid from 2019-12-01
Received: 16 August 2019
Accepted: 19 December 2019
First Online: 27 December 2019
Ethics approval and consent to participate
: The realization of the cohort was approved by the local ethical committee (Hospices Civils de Lyon, France) and by the National Data Protection Commission (<i>Commission Nationale de l’Informatique et des Libertés</i>, CNIL). However, according to the legislation in place at the time of the present study (French law no. 2004–806) and because the data were collected retrospectively, this specific study did not require a novel authorization from an ethics committee or from the National Data Protection Commission. It was conducted in accordance with the law on data protection (no. 2004–801, August 6, 2004).
: Not applicable.
: The authors declare that they have no competing interests.