Grimm, Tobias http://orcid.org/0000-0002-6782-6638
Grimm, Julia
Buchner, Alexander
Schulz, Gerald
Jokisch, Friedrich
Stief, Christian G.
Karl, Alexander
Kretschmer, Alexander
Article History
Received: 28 September 2018
Accepted: 13 January 2019
First Online: 30 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.