Zwergal, Andreas
Brandt, Thomas
Straka, Hans
Straumann, Dominik
Dieterich, Marianne
Funding for this research was provided by:
German Federal Ministry of Education and Health (01 EO 0901)
Article History
Received: 27 August 2018
Accepted: 27 August 2018
First Online: 6 September 2018
Compliance with ethical standards
:
: The authors declare no competing financial interests.
Free to read: This content has been made available to all.