Hedergott, Andrea http://orcid.org/0000-0002-6398-3919
Pink-Theofylaktopoulos, Ursula
Neugebauer, Antje
Fricke, Julia
Funding for this research was provided by:
Universitätsklinikum Köln
Article History
Received: 29 April 2020
Revised: 18 August 2020
Accepted: 10 September 2020
First Online: 19 September 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: According to regional medical regulations on retrospective single-center clinical studies (§15 of the Professional code of conduct, General Medical Council for the Northern Rhine in accordance with the General Data Protection Regulation GDPR of the European Union), the Ethics Committee of the University of Cologne ruled that approval was not required for this retrospective analysis. Throughout the whole study, the Declaration of Helsinki and applicable national regulations and laws were observed.
: Not applicable
: Not applicable
: Via corresponding author