Responder Definition in Clinical Stem Cell Trials in Cardiology: Will the Real Responder Please Stand Up?

Affiliations

• ¹ From the Experimental Cardiology Laboratory, Department of Cardiology (P.P.Z., S.K., J.P.G.S., S.A.J.C.), Department of Nephrology and Hypertension (H.G., A.M.Z.), and UMC Utrecht Regenerative Medicine Center (J.P.G.S., S.A.J.C.), University Medical Center Utrecht, Utrecht, The Netherlands; Division of Cardiology, Department of Medicine III, Goethe University Frankfurt, Frankfurt, Germany (B.A.); and Netherlands Heart Institute (ICIN), Utrecht, The Netherlands (J.P.G.S., S.A.J.C.). P.P.M.Zwetsloot@umcutrecht.nl.
• ² From the Experimental Cardiology Laboratory, Department of Cardiology (P.P.Z., S.K., J.P.G.S., S.A.J.C.), Department of Nephrology and Hypertension (H.G., A.M.Z.), and UMC Utrecht Regenerative Medicine Center (J.P.G.S., S.A.J.C.), University Medical Center Utrecht, Utrecht, The Netherlands; Division of Cardiology, Department of Medicine III, Goethe University Frankfurt, Frankfurt, Germany (B.A.); and Netherlands Heart Institute (ICIN), Utrecht, The Netherlands (J.P.G.S., S.A.J.C.).