Sibert, Nora Tabea
Dieng, Sebastian
Oesterle, Alisa
Feick, Günter
Carl, Günther
Steiner, Thomas
Minner, Jörg
Roghmann, Florian
Kaftan, Björn
Zengerling, Friedemann
Hinkel, Andreas
Beyer, Burkhard
Heidenreich, Axel
Harke, Nina
Brehmer, Bernhard
Pfitzenmaier, Jesco
Fichtner, Jan
Neisius, Andreas
Hammerer, Peter
Wesselmann, Simone
Kowalski, Christoph
Article History
Received: 20 May 2019
Accepted: 4 September 2019
First Online: 24 September 2019
Compliance with ethical standards
:
: GC, GF, TS, JM, FR, FZ, AHi, BB, AHe, NH, BB, JP, JF, AN, and PH hereby declare that they have no potential conflicts of interest. NTS, CK, SD, AO, and SW are employees of the two institutions in charge of the certification system. BK receives consulting and lecturing honoraria from various companies that do not involve any conflicts with the research presented here. A comprehensive list is available on request.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the ethics committee of the Medical Association of Berlin (Eth-12/16) and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.