no credentials to speak of other than I have ataxia and multiply system atrophy, and live with it daily.How many doctors are affected by ataxia; are they going by personal experience or by textbook...mehr sehenno credentials to speak of other than I have ataxia and multiply system atrophy, and live with it daily.How many doctors are affected by ataxia; are they going by personal experience or by textbook? The best ones to know about ataxia are the people who have got it.weniger sehen