Source: https://www.researchgate.net/profile/Jean-Michel-Albaret/publication/240788453_Evaluation_de_l'efficacite_d'un_protocole_de_reeducation_de_l'equilibre/links/0046351c71d3469a13000000/Evaluation-de-lefficacite-dun-protocole-de-reeducation-de-lequilibre.pdf