1. Department of Cardiology Ege University School of Medicine Izmir Turkey
2. Department of Biostatistics and Medical Informatics Ege University School of Medicine Izmir Turkey
3. Department of Cardiology Baskent University Izmir Hospital Izmir Turkey
4. Tepecik Teaching and Research Hospital Izmir Turkey
5. Lankenau Institute for Medical Research Wynnewood Pennsylvania USA
6. Lankenau Heart Institute Wynnewood Pennsylvania USA
7. Kimmel Medical College Thomas Jefferson University Philadelphia Pennsylvania USA