Received: 12 September 2019
Accepted: 26 March 2020
First Online: 6 April 2020
Ethics approval and consent to participate
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee, and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.The agreement of the Ethics Committee of the University Hospital Liège was obtained.Since this is a retrospective anonymized study, the informed consent of the children’s caregiver was not requested.Administrative permission was given by the Department of Medical- and Economical Information (SIME) of the institution to review retrospectively the patient files.
: does not apply.
: The authors declare that they have no competing.