493
In this case, interferon alpha induced polymyositis and cardiomyopathy is diagnosed in a 33-yr-old male patient with history of chronic hepatitis B.
 ( adverse event: induced ,  a 33-yr-old male patient with history of chronic hepatitis B.: Subject, 33-yr-old: Subject.Age, male: Subject.Gender, polymyositis and cardiomyopathy: Effect, interferon alpha: Treatment, interferon alpha: Treatment.Drug, history of chronic hepatitis B.: Treatment.Disorder) 
Locate the role in the text that participated in the event based on the event type and return it in the event list. 
 Option: Event type: adverse event,potential therapeutic event, Arguments type: Treatment.Disorder,Treatment.Time_elapsed,Treatment.Dosage,Subject.Race,Treatment.Drug,Treatment.Route,Subject.Disorder,Treatment.Freq,Treatment,Effect,Subject.Population,Treatment.Duration,Combination.Drug,Subject,Subject.Age,Subject.Gender. 
Text: {0} 
Answer:
 ( adverse event: induced ,  a 33-yr-old male patient with history of chronic hepatitis B.: Subject, 33-yr-old: Subject.Age, male: Subject.Gender, polymyositis and cardiomyopathy: Effect, interferon alpha: Treatment, interferon alpha: Treatment.Drug, history of chronic hepatitis B.: Treatment.Disorder) 