Thiamine-responsive megaloblastic anemia syndrome has been reported in approximately 30 families worldwide. Its prevalence is unknown.
How many people are affected by thiamine-responsive megaloblastic anemia syndrome ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by thiamine-responsive megaloblastic anemia syndrome ? [/INST] \n Thiamine-responsive megaloblastic anemia syndrome has been reported in approximately 30 families worldwide. Its prevalence is unknown.</s>