Findeklee, S.
Spüntrup, E.
Radosa, J. C.
Sklavounos, P.
Hamza, A.
Solomayer, E. F.
Banerjee, M.
Spüntrup, C.
Article History
Received: 14 January 2019
Accepted: 7 March 2019
First Online: 14 March 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The study was conducted in concordance to the ethical standards of the institution.
: All 21 candidates signed an informed consent due to ethical standards before initiation of the study.