Castelli, Lucia http://orcid.org/0000-0002-7701-9733
Elter, Thomas
Wolf, Florian
Watson, Matthew
Schenk, Alexander
Steindorf, Karen
Bloch, Wilhelm http://orcid.org/0000-0003-1786-8853
Hallek, Michael
Joisten, Niklas
Zimmer, Philipp http://orcid.org/0000-0001-9631-4503
Funding for this research was provided by:
Marga und Walter Boll-Stiftung
Technische Universität Dortmund
Article History
Received: 25 February 2021
Accepted: 19 June 2021
First Online: 10 July 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the University Hospital of Cologne research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The study was approved by the University Hospital of Cologne's Ethical Committee, and registered at the WHO trial register (DRKS00007824). Informed consent was obtained from all individual participants included in the study.
: N/A
: Dr. Elter reports grants from Marga and Walter Boll Foundation, during the conduct of the study. Other authors have no relevant financial or non-financial interests to disclose.