Guanidinoacetate methyltransferase deficiency is a very rare disorder. About 80 affected individuals have been described in the medical literature. Of these, approximately one-third are of Portuguese origin.
How many people are affected by guanidinoacetate methyltransferase deficiency ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by guanidinoacetate methyltransferase deficiency ? [/INST] \n Guanidinoacetate methyltransferase deficiency is a very rare disorder. About 80 affected individuals have been described in the medical literature. Of these, approximately one-third are of Portuguese origin.</s>