Parents refusal
Cognitive impairment
Difficulty in communication due to language issues
Psychiatric disorder
Severe systematic disorder
Known allergy to any drug used

NCT02455921_exc_T1
Observation
Parents refusal
NCT02455921_exc_T2
Condition
Cognitive impairment
NCT02455921_exc_T3
Condition
Difficulty in communication
NCT02455921_exc_T4
Condition
language issues
NCT02455921_exc_T5
Condition
Psychiatric disorder
NCT02455921_exc_T6
Condition
Severe systematic disorder
NCT02455921_exc_T7
Condition
Known allergy
NCT02455921_exc_T8
Drug
any drug used