Text and Data Mining valid from 2018-04-04
Received: 2 November 2017
Accepted: 9 March 2018
First Online: 4 April 2018
Ethics approval and consent to participate
: This study was approved by the statutory and ethics authorities according to new French regulations regarding retrospective studies using data collected in medical files (Commision Nationale Informatique & Libertés).
: The patients or their parents/guardians gave the consent to publication of their anonymized clinical data.
: Pr J. Mazereeuw-Hautier is consultant for Arrow (acitretin).
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