**Author details**

Gregor Leibundgut<sup>1</sup> \* and Mathias Kaspar<sup>2</sup>

\*Address all correspondence to: kardiologie@mac.com

1 Department of Cardiology, University Hospital, Kantonsspital Baselland, Liestal, Switzerland

2 Department of Angiology, Kantonsspital Luzern, Luzern, Switzerland
