HSAN2 is a rare disease; however, the prevalence is unknown.
How many people are affected by hereditary sensory and autonomic neuropathy type II ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by hereditary sensory and autonomic neuropathy type II ? [/INST] \n HSAN2 is a rare disease; however, the prevalence is unknown.</s>