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We report four cases of sensorimotor axonal neuropathy in children aged 10-15 years, treated with thalidomide for myxopapillary ependymoma, Crohn's disease and recurrent giant aphthous ulceration.
 four cases: Subject; children aged 10-15 years: Subject; myxopapillary ependymoma, Crohn's disease and recurrent giant aphthous ulceration: Subject; four: Subject.Population; 10-15 years: Subject.Age; sensorimotor axonal neuropathy: Effect; thalidomide: Treatment; thalidomide: Treatment.Drug; myxopapillary ependymoma: Treatment.Disorder; Crohn's disease: Treatment.Disorder; recurrent giant aphthous ulceration: Treatment.Disorder
Given event type and trigger, please tell me the arguments of all the listed option. Output format is "name1: role1; name2: role2". 
Event type: adverse event 
  Option: Treatment.Freq, Subject.Population, Combination.Drug, Subject.Gender, Treatment.Duration, Subject, Effect, Treatment, Treatment.Disorder, Subject.Disorder, Treatment.Route, Subject.Race, Treatment.Time_elapsed, Treatment.Dosage, Subject.Age, Treatment.Drug 
Text: {0} 
Answer:
 four cases: Subject; children aged 10-15 years: Subject; myxopapillary ependymoma, Crohn's disease and recurrent giant aphthous ulceration: Subject; four: Subject.Population; 10-15 years: Subject.Age; sensorimotor axonal neuropathy: Effect; thalidomide: Treatment; thalidomide: Treatment.Drug; myxopapillary ependymoma: Treatment.Disorder; Crohn's disease: Treatment.Disorder; recurrent giant aphthous ulceration: Treatment.Disorder