Text and Data Mining valid from 2019-03-16
Received: 6 January 2019
Accepted: 6 March 2019
First Online: 16 March 2019
Compliance with ethical standards
: BS and AR received travel grants (for international conferences) and consultancy fees from Berlin Heart. PWR received speaker honoraria from Abbott (Thoratec). MMK received research grants from Abbott (Thoratec) and travel grants (for international conferences) from Medtronic (HeartWare). The other authors report no conflict of interest regarding the content herein.