Schinzel-Giedion syndrome is very rare, although the exact prevalence is unknown.
How many people are affected by Schinzel-Giedion syndrome ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by Schinzel-Giedion syndrome ? [/INST] \n Schinzel-Giedion syndrome is very rare, although the exact prevalence is unknown.</s>