Ranker, Alexander https://orcid.org/0000-0002-1699-0577
Oergel, Marcus
Aschoff, Horst-Heinrich
Jaiman, Ashish
Krettek, Christian
Schiller, Jörg
Liodakis, Emmanouil
Article History
Received: 25 November 2020
Accepted: 8 January 2021
First Online: 20 January 2021
Compliance with ethical standards
:
: The authors have no relevant financial or non-financial interests to disclose. The authors have no conflicts of interest to declare that are relevant to the content of this article. All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript. The authors have no financial or proprietary interests in any material discussed in this article.
: Each author certifies that all investigations were conducted in conformity with the ethical principles of research. Approval of the local ethics review board was obtained for this study (8670_BO_K_2019). The study was registered in the German clinical trials register (DRKS, WHO approved and in accordance with the requirements of the ICMJE): DRKS00021670.
: Informed consent was obtained from all individual participants included in the study.