Dr Nestelberger has received research support from the Swiss National Science Foundation (P400PM_191037/1), the Swiss Heart Foundation, the Prof Dr Max Cloëtta Foundation, the Margarete und Walter Lichtenstein‐Stiftung (3MS1038), the University of Basel and the University Hospital Basel as well as speaker honoraria/consulting honoraria from Siemens, Beckman Coulter, Bayer, Ortho Clinical Diagnostics, and Orion Pharma, outside the submitted work. Dr Boeddinghaus has received research grants from the University of Basel, the University Hospital of Basel and the Division of Internal Medicine, the Swiss Academy of Medical Sciences, and the Gottfried and Julia Bangerter‐Rhyner‐Foundation; and has received speaker honoraria and/or consulting honoraria from Siemens, Roche Diagnostics, Ortho Clinical Diagnostics, and Quidel Corporation, outside the submitted work. Dr Lopez‐Ayala has received research support from the Swiss Heart Foundation, outside the submitted work. Dr Koechlin received a research grant from the University of Basel, the Swiss Academy of Medical Sciences, and the Gottfried and Julia Bangerter‐Rhyner Foundation, as well as the “Freiwillige Akademische Gesellschaft Basel,” outside the submitted work. Dr Twerenbold reports research support from the Swiss National Science Foundation (Grant No P300PB_167803), the Swiss Heart Foundation, the Swiss Society of Cardiology, the Cardiovascular Research Foundation Basel, the University of Basel, and the University Hospital Basel and speaker honoraria/consulting honoraria from Abbott, Amgen, Astra Zeneca, Roche, Siemens, Singulex, and Thermo Scientific BRAHMS, outside the submitted work. Dr Cullen reports grants from Roche and from Abbott, during the conduct of the study. Grants from Roche, grants and personal fees from Abbott Diagnostics, grants from Siemens, grants from Radiometer, personal fees from AstraZeneca, grants from Alere, outside the submitted work. Dr Lindahl has served as a consultant for Roche Diagnostics, Beckman Coulter Inc., Siemens Healthcare Diagnostics, Radiometer Medical, bioMérieux Clinical Diagnostics, Philips Healthcare, and Fiomidiagnostics AB, outside the submitted work. Dr Mueller has received research support from the Swiss National Science Foundation, the Swiss Heart Foundation, the KTI, the European Union, the University of Basel, the University Hospital Basel, the Stiftung für kardiovaskuläre Forschung Basel; Abbott, Beckman Coulter, Biomerieux, Idorsia, Ortho Cinical Diagnostics, Quidel, Roche, Siemens, Singulex, Sphingotec, as well as speaker honoraria/consulting honoraria from Acon, Amgen, Astra Zeneca, Boehringer Ingelheim, Bayer, BMS, Idorsia, Novartis, Osler, Roche, Sanofi, outside of the submitted work. The remaining authors have no disclosures to report.