Inclusion Criteria:  4-11years old, able to use JOE persistent uncontrolled asthma, graded 2, 3 or 4 on GINA classification maintenance treatment since at least 3 months having given their informed written consent  Exclusion Criteria:  asthma naïve-treatment child without regular follow-up with the investigator participating to another interventional study, with another disease, other treatments or planned modification of prescribed treatments that could interfere with studied disease