Bietenbeck, Michael
Florian, Anca
Shomanova, Zornitsa
Meier, Claudia
Yilmaz, Ali http://orcid.org/0000-0003-4526-8679
Article History
Received: 8 March 2018
Accepted: 14 May 2018
First Online: 17 May 2018
Compliance with ethical standards
:
: The author declares that there is no competing interest.
: The study protocol complies with the Declaration of Helsinki. Written informed consent was obtained from every patient.
: The datasets used and/or analysed during the current study are available from the corresponding author on reasonable request.