I think the PDF is open access? [0] Of course it is hard to control for 'neural shape', but they seem to control for both education and occupational status, whi

I think the PDF is open access? [0] Of course it is hard to control for 'neural shape', but they seem to control for both education and occupational status, which seem like pretty decent proxies to me. [0] http://stroke.ahajournals.org/content/early/2015/11/19/STROKEAHA.115.010418.full.pdf+html http://stroke.ahajournals.org/content/early/2015/11/19/STROK...