1. Department of Cardiac & Vascular DiseasesJohn Paul II Hospital, Jagiellonian University Medical College Krakow Poland
2. KCRI Angiographic Core Laboratory and Data Management Division Krakow Poland
3. Department of Vascular SurgeryJohn Paul II Hospital Krakow Poland
4. Neurology Inpatient and Outpatient DepartmentJohn Paul II Hospital Krakow Poland
5. Institute of Public HealthFaculty of Health Science, Jagiellonian University Medical College Krakow Poland
6. Division of CardiologyMassachusetts General Hospital Boston Massachusetts