Fanaroff: Research grants from American Heart Association and National Institutes of Health; consulting fees from Abbott Laboratories. Vora: Consulting fees from Medtronic. Mehran: Institutional research grants from AstraZeneca, Bayer, Beth Israel Deaconess, Bristol Myers Squibb/Sanofi, CSL Behring, Eli Lilly/Daiichi Sankyo, Medtronic, Novartis, OrbusNeich; consulting fees from Boston Scientific, Abbott Vascular, Medscape, Siemens Medical Solutions, Roivant Sciences Inc, Sanofi; consulting (no fees) for Regeneron Pharmaceuticals Inc; institutional consulting fees from Abbott Vascular, Spectranetics/Phillips/Volcano Corporation, Bristol Myers Squibb, Novartis, Watermark Research; Executive committee member for Janssen Pharmaceuticals and Bristol Myers Squibb; <1% equity in Claret Medical and Elixir Medical. Granger: Research grants from Bayer, Boehringer Ingelheim, Bristol Myers Squibb, Daiichi Sankyo, Janssen, Pfizer, Armetheon, AstraZeneca, US Food and Drug Administration, GlaxoSmithKline, The Medicines Company, Medtronic Foundation, Medtronic Inc, Novartis; consulting fees from Bayer, Boehringer Ingelheim, Boston Scientific, Bristol Myers Squibb, Daiichi Sankyo, Janssen, Pfizer, Abbvie, Armetheon, AstraZeneca, Eli Lilly, Gilead, GlaxoSmithKline, Hoffmann-La Roche, The Medicines Company, National Institutes of Health, Novartis, Sirtex, Verseon, Apple, Medscape, LLC, Merck, Novo Nordisk, Roche Diagnostics, Rho Pharmaceuticals. Goodman: Research grant support and/or speaker/consulting honoraria from Amgen, AstraZeneca, Bayer, Boehringer Ingelheim, Bristol Myers Squibb, CSL Behring, Daiichi-Sankyo, Eli Lilly, Esperion, Fenix Group International, Ferring Pharmaceuticals, GlaxoSmithKline, HLS Therapeutics, Janssen/Johnson & Johnson, Luitpold Pharmaceuticals, Matrizyme, Merck, Novartis, Novo Nordisk A/C, Pfizer, Regeneron, Sanofi, Servier, Tenax Therapeutics, Heart and Stroke Foundation of Ontario/University of Toronto, Canadian Heart Research Centre and MD Primer, Canadian VIGOUR Centre, Duke Clinical Research Institute, PERFUSE. Aronson: Employee of Bristol Myers Squibb. Windecker: Institutional research and educational grants from Abbott, Amgen, Bayer, BMS, CSL Behring, Boston Scientific, Biotronik, Edwards Lifesciences, Medtronic, Polares, Sinomed. Alexander: Research grants from Bristol Myers Squibb, Boehringer Ingelheim, AstraZeneca, CryoLife, CSL Behring, US Food and Drug Administration, National Institutes of Health, Sanofi, VoluMetrix; consulting fees from Pfizer, Bristol Myers Squibb, AbbVie Pharmaceuticals, CSL Behring, Novo Nordisk, Portola Pharmaceuticals, Quantum Genomics, Teikoku Pharmaceuticals, VA Cooperative Studies, Zafgen. Lopes: Research grants from Bristol Myers Squibb, Pfizer, Amgen, Inc, GlaxoSmithKline, Medtronic PLC, Sanofi Aventis; consulting fees from Bristol Myers Squibb, Pfizer, Boehringer Ingelheim, Bayer AG. The other authors report no conflicts.