Heres a few more snippets about the effect of vit D deficiency on people with APS, the first one makes for easy reading...
annesigmon.com/aps-antiphos...
And this is slightly indepth, pity my short term memory is playing games on me today, I've had a dozen goes at trying to make sense of the first couple of paragraphs and keep losing my drift within the first two lines, so I'll attempt it again when I'm feeling less foggy...