X-linked sideroblastic anemia and ataxia is a rare disorder; only a few affected families have been reported.
How many people are affected by X-linked sideroblastic anemia and ataxia ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by X-linked sideroblastic anemia and ataxia ? [/INST] \n X-linked sideroblastic anemia and ataxia is a rare disorder; only a few affected families have been reported.</s>