Funding for this research was provided by:
Received: 16 November 2020
Accepted: 28 October 2021
First Online: 20 November 2021
: Approval was obtained by the ethic commission of the University Clinic (Klinikum rechts der Isar: KRI) of the Technical University in Munich. The procedures used in this study adhere to the tenets of the Declaration of Helsinki. Informed consent for participation was obtained from all individual participants included in the study.
: As the study did not include details, images, or videos relating to individual participants, consent for publication was not required.
: The authors declare that they have no competing interests.