1. Department of Cardiology; Medical University of Vienna; Vienna Austria
2. Department of Clinical Pharmacology; Clinics of Cardiology and Angiology II; Universitaets-Herzzentrum Freiburg Bad Krozingen; Bad Krozingen Germany
3. Department of Clinical Pharmacology & Toxicology; University Hospital Basel; Basel Switzerland
4. Center for Platelet Research Studies; Division of Hematology/Oncology; Boston Children's Hospital; Dana-Farber Cancer Institute; Harvard Medical School; Boston MA USA