1. Department of Cardiology, Ziekenhuis Oost-Limburg, Schiepse Bos 6, Genk 3600, Belgium
2. Doctoral School for Medicine and Life Sciences, Hasselt University, Diepenbeek, Belgium
3. Department of Radiology, Ziekenhuis Oost-Limburg, Genk, Belgium
4. Siemens Healthcare, Chicago, IL, USA
5. Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH, USA
6. The Ohio State University, Columbus, OH, USA