The prevalence of pontocerebellar hypoplasia is unknown, although most forms of the disorder appear to be very rare.
How many people are affected by pontocerebellar hypoplasia ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by pontocerebellar hypoplasia ? [/INST] \n The prevalence of pontocerebellar hypoplasia is unknown, although most forms of the disorder appear to be very rare.</s>