I'm Dutch and we know it as MS, as we also call it Multiple sclerose [1], so I wasn't aware of that.
Good nitpick :)
[1] https://www.hersenstichting.nl/hersenaandoeningen/multiple-s... <-- I know that sourcing this is a bit much, but I figured that some of you non-Dutch speakers might feel whimsical enough to look at some Dutch text for funzies. Or maybe it's just me who looks at random texts of other languages O:)
Later edit: and I've never seen the name of the disease acronymed, it's always been in full.