Golubnitschaja, Olga
Polivka, Jiri Jr
Yeghiazaryan, Kristina
Berliner, Leonard
Article History
Received: 16 July 2018
Accepted: 25 July 2018
First Online: 17 August 2018
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All the patients were informed about the purposes of the study and consequently have signed their “consent of the patient”. All investigations conformed to the principles outlined in the Declaration of Helsinki and were performed with permission from the responsible Ethical Committee of the Medical Faculty, Rheinische Friedrich-Wilhelms-University of Bonn. Corresponding reference number is 283/10.