Can you please post the info in english? Otherwise it is hard to comment on hear-say.
If MSR had a real problem it would probably be MSR who would find it and report it.
No offense but what makes a Dutch version of the FDA such an expert? Whay has no other source confirmed the study? I have searched the web including MSR's site; no mention.
I have sold and used MSR filters (and almost every other major filter / purifier on the market) and never had a problem. In fact the miniworks and waterworks are the most reliable filters I have ever sold.