NSF is the designation which is incorrect, should be GCSF-RF... GDD is correct.
When the term GDD is challenged, actually it is more scientific to challenge NSF as a designated term; it is more accurately termed what Brent Wagner has done in a 2016 review article Gadolinium Associated Systemic Fibrosis ... although one probably now could call it Gadolinium Caused Systemic Fibrosis (in Renal Failure) GCSF-RF. Also it is worth noting that essentially all the studies on GASF are observational, Oxford Level of Evidence (LOE) 2 a, at best. None have looked at