If scores have been standardized to a reference population, indicate frame of reference for scoring (general population, HD subjects, other disease groups, etc).General population (5-90 years of age; education levels of 2 to 20 years)
If scores have been standardized to a reference population, indicate frame of reference forscoring (general population, HD subjects, other disease groups, etc).General population (5-90years of age; education levels of 2 to 20 years)