Qian, Xu
Sinikovic, Branko
Schreiber, Frank
Ochsenreither, Sebastian
Klinghammer, Konrad
Wollenberg, Barbara
Kaufmann, Andreas M.
Albers, Andreas E.
Article History
Received: 18 July 2018
Accepted: 24 August 2018
First Online: 29 August 2018
Compliance with ethical standards
:
: All authors declare that they have no conflicts of interest.
: 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. Ethical approval for this study was obtained from the Institutional Review Board of the Charité-Universitätsmedizin Berlin, Germany (EA4/035/08).
: Informed consent was obtained from all individual participants included in the study.