Schneider, Ulrich http://orcid.org/0000-0002-2252-5188
Kumar, Ashok http://orcid.org/0000-0002-6456-3342
Murrell, William http://orcid.org/0000-0001-8835-1806
Ezekwesili, Agnes http://orcid.org/0000-0003-2082-1087
Yurdi, Nagib A. http://orcid.org/0000-0002-4233-6069
Maffulli, Nicola http://orcid.org/0000-0002-5327-3702
Article History
Received: 13 June 2020
Accepted: 3 November 2020
First Online: 6 January 2021
Compliance with ethical standards
:
: Competent authority of Bavaria authorized the study.
: All patients were approved for treatment by written informed consent.
: Written informed consent was obtained from all patients.