Received: 26 August 2021
Accepted: 26 November 2021
First Online: 14 December 2021
: The institutional Medical Research Ethics Committee approved that formal consent is not required for the compassionate use of this clinically indicated last resort treatment, protocol number 21-455 and is in accordance with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. All data and tissues were handled according to the General Data Protection Regulation.
: Individual consent was obtained if reasonably possible.
: The authors declare that they have no competing interests.