Wow... that took me several, uh, seconds to find.
https://www.nejm.org/doi/full/10.1056/NEJMoa2516491
There's your hard data.
https://www.nejm.org/doi/full/10.1056/NEJMoa2516491
There's your hard data.
I agree that not everyone is duplicitous, but how would you know which one is and which one isn’t?