Fili, Sofia http://orcid.org/0000-0001-7894-8617
Vastardis, Iraklis
Perdikakis, Georgios
Kohlhaas, Markus
Article History
Received: 9 July 2020
Accepted: 22 September 2021
First Online: 1 October 2021
Declarations
:
: The authors declare that there is no conflict of interest. All authors certify that they have no affiliations with or involvement in any organization or entity with any financial interest (such as honoraria; educational grants; participation in speakers' bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.
: All procedures performed in this observatory study involving human participants were in accordance with the ethical standards of the institutional research committee of St-Johannes-Hospital in Dortmund, Germany and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: This is an observatory study and no clinical trial registration is necessary.
: Informed consent for participation was obtained from all individual participants included in the study.
: Informed consent for publication was obtained from all individual participants included in the study.
: No research is performed on animals in this study.
: No research is performed on animals in this study.
: No image manipulation is performed in this study.