Oppermann, Henry http://orcid.org/0000-0001-9216-5918
Heinrich, Marcus
Birkemeyer, Claudia http://orcid.org/0000-0002-8538-8838
Meixensberger, Jürgen
Gaunitz, Frank http://orcid.org/0000-0001-6628-0605
Article History
Received: 4 December 2018
Accepted: 1 May 2019
First Online: 9 May 2019
Compliance with ethical standards
:
: The authors declare that they have no potential conflict of interest.
: All patients provided written informed consent according to German law as confirmed by the local committee (#144-2008) in accordance with the 1964 Helsinki declaration and its later amendments.