Dietz, Hans Peter
Scoti, Francesco
Subramaniam, Nishamini
Friedman, Talia
Shek, Ka Lai
Article History
Received: 26 October 2017
Accepted: 17 January 2018
First Online: 12 March 2018
Compliance with ethical standards
:
: HP Dietz and KL Shek have received unrestricted educational grants from GE Medical. The other authors have no conflict of interest to declare.