Nas, J.
Thannhauser, J.
de Boer, M.-J.
Bonnes, J. L.
Brouwer, M. A.
Article History
First Online: 28 February 2019
Conflict of interest
: M.-J. de Boer is a member of the European advisory board on interventional cardiology of Medtronic. J. Nas, J. Thannhauser, J.L. Bonnes and M.A. Brouwer declare that they have no competing interests.