Bergqvist, Christina
Hemery, François
Jannic, Arnaud
Ferkal, Salah
Wolkenstein, Pierre http://orcid.org/0000-0001-8194-457X
Article History
Received: 25 August 2020
Accepted: 5 May 2021
First Online: 19 May 2021
Declarations
:
: Approved by the national institute concerning health data (INDS) and conducted according to local standards and laws (MR003 standard and Law Informatique et liberté number 78-1, specifying that retrospective data studies are not considered by French law as involving human subjects).
: Not applicable.
: The authors declare that they have no competing interests.