The underlying paper is https://www.nature.com/articles/s41541-018-0062-8 https://www.nature.com/articles/s41541-018-0062-8 . The JRDF statement seems to sugge

The underlying paper is https://www.nature.com/articles/s41541-018-0062-8 https://www.nature.com/articles/s41541-018-0062-8 . The JRDF statement seems to suggest that only a subset of the trial mattered. Can someone more familiar with the area comment on the sample sizes? (I have no sense if n=9 is actually laughably small from a set of 52)