1. Faculty of Medicine; Hasselt University; Diepenbeek Belgium
2. Jessa Hospital, Heart Centre Hasselt; Stadsomvaart 11 3500 Hasselt Belgium
3. Middelheim Hospital; Antwerp Belgium
4. CHU Citadelle; Liège Belgium
5. UZBrussels; Brussels Belgium
6. Ziekenhuis Oost Limburg; Genk Belgium
7. Groeninge Hospital; Kortrijk Belgium
8. Imelda Hospital; Bonheiden Belgium