Received: 5 September 2019
Accepted: 9 December 2019
First Online: 23 December 2019
Ethics approval and consent to participate
: Patients and their relatives were informed of the possibility of the use of medical data for retrospective studies and did not manifest opposition. The study was approved by the “Portail d’accès aux données de santé de l’Assistance Publique des Hopitaux de Marseille” (“Règlement Général pour la Protection des Données” Registration Number 2019-132).
: Not applicable.
: The authors declare that they have no competing interests.