Golubnitschaja, Olga
Flammer, Josef
Article History
Received: 23 January 2018
Accepted: 26 January 2018
First Online: 22 February 2018
Compliance with ethical standards
: All procedures performed in this study were in accordance with the ethical standards of and with the permission (the reference number is 090/16) by the research committee of Rheinische Friedrich-Wilhelms-Universität Bonn and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The patient was informed about the purposes of the study and consequently has signed the “consent of the patient”.
: The authors declare that they have no conflict of interest.
: All procedures performed in the current study 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.
: No experiments have been performed including patients and/or animals.