Gillor, Moshe http://orcid.org/0000-0002-9814-8040
Langer, Susanne
Dietz, Hans Peter http://orcid.org/0000-0002-2211-6149
Article History
Received: 7 June 2019
Accepted: 28 August 2019
First Online: 16 September 2019
Compliance with ethical standards
:
: H.P. Dietz has received lecture honoraria and travel assistance from GE Medical. The other authors have no conflicts of interest to declare.