Funding for this research was provided by:
Assistance Publique - Hôpitaux de Paris (HAO11013 - NI11010)
Received: 22 January 2019
Accepted: 10 June 2019
First Online: 11 July 2019
Ethics approval and consent to participate
: All participants and the parents of those < 18 years of age at the time of genetic testing gave written informed consent. The DNA bank and diagnostic database were declared to French health authorities in compliance with current legislation.
: Not applicable.
: The authors declare that they have no competing interests.