Ignatov, Tanja
Eggemann, Holm
Costa, Serban Dan
Ortmann, Olaf
Ignatov, Atanas http://orcid.org/0000-0002-9006-4029
Article History
Received: 5 July 2018
Accepted: 16 July 2018
First Online: 19 July 2018
Compliance with ethical standards
:
: All authors declare that they have no conflicts 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. This article does not contain any studies with animals performed by any of the authors.
: Informed consent was obtained from all individual participants included in the study before treatment. According to the statement of Research and Ethical Committee, Otto-von-Guericke University, Magdeburg, Germany, an additional individual consent was not required for this analysis. Before analysis, patient data underwent a pesudonymisation.