K.H.C. declares that she has received grants and/or research support from Amgen, AstraZeneca Exagen Diagnostics, Gilead, GlaxoSmithKline, and Janssen and has acted as a consultant for Amgen, Bristol-Myers Squibb, Cabaletta Bio, Eli Lilly, GlaxoSmithKlein and Janssen. J.J.E.K. declares no competing interests.