FOXO1 and rhabdomyosarcoma: A supervised hierarchical clustering on rhabdomyosarcoma tumours following an ANOVA with a P value <.03 between the four types of RMS, revealed that tumours clustered according to their molecular alterations Pax3/FOXO1, Pax7/ FOXO1 or no translocation, on the basis of the expression level of 10 miRNAs (Figure 7(a)).