Bjrnstad syndrome is a rare condition, although its prevalence is unknown. It has been found in populations worldwide.
How many people are affected by Bjrnstad syndrome ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by Bjrnstad syndrome ? [/INST] \n Bjrnstad syndrome is a rare condition, although its prevalence is unknown. It has been found in populations worldwide.</s>