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Authors
Happel, C.
Kranert, W. T.
Gröner, D.
Bockisch, B.
Sabet, A.
Vardarli, I.
Görges, R.
Herrmann, K.
Grünwald, F.
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Article History
Received: 12 November 2019
Accepted: 3 March 2020
First Online: 16 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: 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.
: Informed consent was obtained from all individual participants included in the study. This article does not contain any studies with animals performed by any of the authors.
