Congenital fiber-type disproportion is thought to be a rare condition, although its prevalence is unknown.
How many people are affected by congenital fiber-type disproportion ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by congenital fiber-type disproportion ? [/INST] \n Congenital fiber-type disproportion is thought to be a rare condition, although its prevalence is unknown.</s>