Dandy-Walker malformation is estimated to affect 1 in 10,000 to 30,000 newborns.
How many people are affected by Dandy-Walker malformation ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by Dandy-Walker malformation ? [/INST] \n Dandy-Walker malformation is estimated to affect 1 in 10,000 to 30,000 newborns.</s>