St Antonius Center for Platelet Function Research, Department of Cardiology, St Antonius Hospital Nieuwegein, the Netherlands. Internal Medicine, Béziers Hospital, France, Geneva Platelet Group, University of Geneva School of Medicine, Department of Internal Medicine, Rehabilitation and Geriatrics, University Hospitals of Geneva, Geneva, Switzerland. Department of Medicine, Program for Personalized and Genomic Medicine, University of Maryland School of Medicine, Baltimore, MD, USA. Department of Biomedical Data Science, Stanford University, Stanford, CA, USA. Department of Clinical Pharmacology, Inje University Busan Paik Hospital, Busan, South Korea. Heart Center Balatonfüred and Heart and Vascular Center, Semmelweis University, Budapest, Hungary. Stroke Pharmacogenomics and Genetics, Fundació Docència i Recerca Mútua Terrassa, Neurovascular Research Laboratory, Valle d'Hebron Hebron Institute of Research, Barcelona, Spain. Genomic Medicine Institute, Geisinger Health System, Danville, PA, USA. Neurovascular Research Laboratory, Vall d'Hebron Institute of Research, Barcelona, Spain. Department of Experimental and Clinical Medicine, University of Florence, Florence, Italy. Departments of Medicine and Pharmacology, Vanderbilt University School of Medicine, Nashville, TN, USA. Cardiovascular Center and Cardiology Division, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea. Department of Cardiology and Cardiac Catheterization Laboratory, Rigshospitalet, University of Copenhagen, Copenhagen, Denmark. University Heart Center Freiburg, Bad Krozingen, Department of Cardiology and Angiology II, Bad Krozingen, Germany. Departments of Medicine, Pharmacology, and Biomedical Informatics, Vanderbilt University School of Medicine, Nashville, TN, USA. Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart and University of Tübingen, Tübingen, Germany. Department of Biomedical Data Science, Stanford University, Stanford, CA, USA; Departments of Bioengineering and Genetics, Stanford University, Stanford, CA, USA; Department of Medicine, Stanford University, Stanford, CA, USA. Department of Cardiology, Patras University Hospital, Patras, Greece. Department of Pharmacology and Pharmacogenomics Research Center, College of Medicine, Inje University, Busan, South Korea. Quebec Heart and Lung Institute, Québec, Canada. Department of Cardiology and Cardiovascular Medicine, University Hospital Tübingen, Tübingen, Germany. Inova Center for Thrombosis Research and Drug Development. Inova Heart and Vascular Institute, Falls Church, VA, USA. Department of Cardiology, Swiss Cardiovascular Center Bern, Bern University Hospital, Bern, Switzerland. Department of Experimental and Clinical Medicine, University of Florence, Atherothrombotic Diseases Center, Careggi Hospital, Florence, Italy. Cardiology Unit, Azienda Ospedaliera Universitria di Ferrara, Cona (FE) and Maria Cecilia Hospital, GVM Care and Research, Cotignola, (RA), Italy. Division of Cardiology, Department of Internal Medicine, Chang Gung Memorial Hospital, Linkou and School of Medicine, Chang Gung University, Taoyuan City, Taiwan. APHP, Saint Antoine Hospital, Paris, France. Geneva Platelet Group, University of Geneva School of Medicine, Division of Angiology and Haemostasis, University Hospitals of Geneva, Geneva, Switzerland. Laboratory for Genotyping Development, RIKEN Center for Integrative Medical Sciences, Tokyo, Japan. Department of Cardiology, Medical University of Vienna, Vienna, Austria. Sorbonne Universités, UPMC Univ Paris 06, Institute of Cardiometabolism and Nutrition (ICAN), Pitié-Salpêtrière Hospital, F-75013 Paris, France. Department of Medicine, University of Maryland, Baltimore, MD, USA; Geriatric Research, Education and Clinical Center, Veterans Affairs Medical Center, Baltimore, MD. Dr Margarete Fischer-Bosch Institute of Clinical Pharmacology, Stuttgart and University of Tübingen, Tübingen, Germany; Department of Clinical Pharmacology, University Hospital, Tübingen, Germany. Department of Biomedical and Translational Informatics, Geisinger Health System, Danville, PA, USA. Department of Biomedical Data Science, Stanford University, Stanford, CA, USA; Department of Medicine, Stanford University, Stanford, CA, USA. Department of Medicine, Program for Personalized and Genomic Medicine, University of Maryland School of Medicine, Baltimore, MD, USA. Electronic address: ashuldin@som.umaryland.edu.