1 Department of Cardiology, Ziekenhuis Oost-Limburg Genk, Limburg, Belgium. Electronic address: [email protected].
2 Department of Cardiology, Ziekenhuis Oost-Limburg Genk, Limburg, Belgium; Department of Cardiology, Inselspital Bern, Bern, Switzerland. Electronic address: https://twitter.com/S_Deferm.