Craniometaphyseal dysplasia is a very rare disorder; its incidence is unknown.
How many people are affected by craniometaphyseal dysplasia ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by craniometaphyseal dysplasia ? [/INST] \n Craniometaphyseal dysplasia is a very rare disorder; its incidence is unknown.</s>