Funding for this research was provided by:
Universität des Saarlandes
Received: 21 January 2021
Accepted: 23 April 2021
First Online: 5 May 2021
: All procedures performed in the patients described herein were in accordance with the ethical standards of the Institutional and/or National Research Ethics Committees and with the 1964 Helsinki Declaration and its later amendments, or with comparable ethical standards. This report does not include any animal studies. Written informed consent was obtained from all study participants
: All patients have given written consent for publication.
: The authors declare that they have no competing interests.