Conflicts of interest
L.E.J.P. has received lecture fees from Astellas Pharma. D.A.H. has received lecture fees and consulting fees from Astellas Pharma, Astra-Zeneca, Chiesi Pharma, Medincell, Novartis Pharma, Sangamo Therapeutics, and Vifor Pharma. He has received grant support from Astellas Pharma, Bristol-Myers Squibb, and Chiesi Pharma (paid to his institution). D.A.H. does not have employment or stock ownership at any of these companies, and neither does he have patents or patent applications. In the last 3 years, T.vG. has received lecture fees and study grants from Chiesi and Astellas, in addition to consulting fees from Roche Diagnostics, Thermo Fisher, Vitaeris, CSL Behring, Astellas, and Aurinia Pharma. In the last 3 years, L.vD. has received a research grant from Teva for a study not related to this one. The other authors declare no conflicts of interest.