Wolff, S. V.
Willburger, R.
Hallner, D.
Rusu, A. C.
Rusche, H.
Schulte, T.
Hasenbring, M. I.
Article History
First Online: 17 September 2018
Compliance with ethical guidelines
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: S.V. Wolff, R. Willburger, D. Hallner, A.C. Rusu, H. Rusche, T. Schulte and M.I. Hasenbring declare that they have no competing interests.
: This article does not contain any studies with human participants or animals performed by any of the authors. Information within the manuscript which identify patients were in accordance with the ethical standards of the institutional and/or national research committee and with the 1975 Helsinki declaration and its later amendments or comparable ethical standards. Informed consent was obtained from all individual patients.