Bretschneider, Henriette http://orcid.org/0000-0002-7369-3771
Trattnig, Siegfried
Landgraeber, Stefan
Hartmann, Albrecht
Günther, Klaus-Peter
Dienst, Michael
Schröder, Jörg
Fickert, Stefan
Article History
Received: 16 April 2018
Accepted: 4 March 2019
First Online: 16 April 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was approved according to the local institutional review board (#EK 48022014) and has been registered by ClinicalTrials.gov (NCT02179346).