1. Department of Cardiology; Pamukkale University Hospitals; Denizli Turkey
2. National Institute of Health Research (NIHR); Royal Brompton & Harefield NHS Foundation Trust; London
3. NHLI Imperial College; London UK
4. Cardiovascular Department; Ospedali Riuniti and University of Trieste; Trieste Italy
5. Cardiology Division, Massachusetts General Hospital; Harvard Medical School; Boston MA USA