Funding for this research was provided by:
research grant from the Philipps-University Marburg
Received: 19 May 2021
Accepted: 25 June 2021
First Online: 14 September 2021
: No ethics application was submitted, as data was acquired during routine examinations by standard procedures. All patients provided informed consent.
: All patients gave their consent for publication.
: M. Thöne-Mühling, O. D. Kripfgans, and R. Mengel state that there were no conflicts of interest.