Text and Data Mining valid from 2018-05-25
Received: 19 September 2017
Accepted: 4 April 2018
First Online: 25 May 2018
Compliance with ethical standards
: The protocol was conducted in agreement with the Helsinki declaration. This dataset was completely anonymous and did not contain any identifiable personal health information. This study was approved by the ED (Assistance Publique-Hôpitaux de Paris) committees on ethics, research and informatics.
: Patient informed consent was obtained before study inclusion.