1. Faculty of Medicine, University of Oslo, Oslo, Norway
2. Ovesco Endoscopy AG, Tuebingen, Germany
3. IHCI-Institute, Steinbeis University Berlin, Tuebingen, Germany
4. Intervention Center, Oslo University Hospital, Oslo, Norway
5. BH Heart Center, Tuzla, Bosnia and Herzegovina
6. Department of Electronic Systems, Norwegian University of Science and Technology, Trondheim, Norway