McLeod neuroacanthocytosis syndrome is rare; approximately 150 cases have been reported worldwide.
How many people are affected by McLeod neuroacanthocytosis syndrome ?
<s>[INST] Answer the question truthfully, you are a medical professional. This is the question: How many people are affected by McLeod neuroacanthocytosis syndrome ? [/INST] \n McLeod neuroacanthocytosis syndrome is rare; approximately 150 cases have been reported worldwide.</s>