Ethics Approval

Genetic studies and data collection procedures were approved by the local institutional review board (Comité de Protection des Personnes Ile de France II, Paris, France; reference: 2015-01-05; 2015-01-05 MS2) and the French Advisory Committee on Data Processing in Medical Research (Comité Consultatif sur le Traitement de l’Information en matière de Recherche dans le domaine de la Santé, Paris, France; reference: 15.297bis).

Consent to Participate

Informed consent was obtained from all the individual participants included in the study.

Consent for Publication

Not applicable.

Conflict of Interest

The authors declare no competing interests.