1. Skejby Sygehus, Aarhus, Denmark
2. CHU Hospice St Jacques—Hôpital G. Montpied, Clermont‐Ferrand
3. Polyclinique Saint Henri, Nantes
4. Clinique Bizet, Paris, France
5. Cardio Clinic Nürnberg, Nürnberg, Germany
6. CHU, Rennes, France
7. Karolinska Hospital, Stockholm, Sweden
8. Opsdedale Niguarda, Milano, Italy
9. Medtronic Bakken Research Center, Maastricht, the Netherlands