1. Department of Radiology, Cardiothoracic Imaging Division, Clínica Universidad de Navarra, Avenida Pio XII, 36, Pamplona 31008, Spain
2. Department of Radiology, Cardiothoracic Imaging Division, Clínica Universidad de Navarra, Madrid, Spain
3. Department of Cardiovascular Surgery, Clínica Universidad de Navarra, Pamplona, Spain
4. Department of Cardiology, Clínica Universidad de Navarra, Pamplona, Spain