Funding for this research was provided by:
Fonds De La Recherche Scientifique - FNRS
Text and Data Mining valid from 2018-04-06
Received: 18 September 2017
Accepted: 26 March 2018
First Online: 6 April 2018
Ethics approval and consent to participate
: This study was approved by the Bordet Institute Ethics Committee (Belgium) and conducted in accordance with the Declaration of Helsinki (1964). All donors and/or their parents gave written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.