Ignatov, Tanja
Eggemann, Holm
Burger, Elke
Ortmann, Olaf
Costa, Serban Dan
Ignatov, Atanas http://orcid.org/0000-0002-9006-4029
Article History
Received: 17 February 2018
Accepted: 12 March 2018
First Online: 14 March 2018
Compliance with ethical standards
:
: All authors declare that they have no conflict of interest.
: This article does not contain any studies with animals performed by any of the authors. In accordance with the statement of the Research and Ethical Committee of the Otto-von-Guericke University, Magdeburg, Germany, additional individual consent for this analysis was not needed. 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.
: Written informed consent was obtained from all patients before treatment. An additional individual consent for this analysis was not needed.