Funding for this research was provided by:
University of Toulouse
French Prader-Willi Association
Prader-Willi Syndrome Reference Center
Received: 23 September 2019
Accepted: 7 February 2020
First Online: 21 February 2020
Ethics approval and consent to participate
: Only voluntary children with informed parental consent participated in the study. In line with the latest Declaration of Helsinki (2013), all the children and parents were fully informed of the nature and characteristics of the study.
: Not applicable.
: All the authors report no potential conflicts of interest with this work. The authors have no financial relationships relevant to this article to disclose.