This condition appears to be rare; it has been reported in only a few individuals and families worldwide.
How many people are affected by potassium-aggravated myotonia ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by potassium-aggravated myotonia ? [/INST] \n This condition appears to be rare; it has been reported in only a few individuals and families worldwide.</s>