About the Authors

Martine Hennequin

martine.hennequin@u-clermont1.fr

Affiliations University of Auvergne (Clermont 1) EA 3847, Clermont-Ferrand, France, CHU de Clermont-Ferrand, Clermont-Ferrand, France

Véronique Moysan

Affiliation Caisse Nationale de l'Assurance Maladie des Travailleurs Salariés (CNAMTS), Paris, France

Didier Jourdan

Affiliation Institut Universitaire de Formation des Maîtres, JE 2432, Clermont-Ferrand, France

Martine Dorin

Affiliation Caisse Nationale de l'Assurance Maladie des Travailleurs Salariés (CNAMTS), Paris, France

Emmanuel Nicolas

Affiliations University of Auvergne (Clermont 1) EA 3847, Clermont-Ferrand, France, CHU de Clermont-Ferrand, Clermont-Ferrand, France

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: MH VM MD. Performed the experiments: MH VM EN. Analyzed the data: MH VM MD EN. Contributed reagents/materials/analysis tools: MH VM MD EN. Wrote the paper: MH. Other: Coordinated the survey that produced the data from children without disabilities: DJ. Coordinated the survey that produced the data from children and adolescents with disabilities: MD.