Van Gool, Stefaan W. https://orcid.org/0000-0002-8102-5968
Makalowski, Jennifer https://orcid.org/0000-0002-4231-154X
Bitar, Michael
Van de Vliet, Peter https://orcid.org/0000-0002-1434-3659
Schirrmacher, Volker
Stuecker, Wilfried
Article History
Received: 2 September 2021
Revised: 20 December 2021
Accepted: 12 January 2022
First Online: 16 February 2022
Competing interests
: The IOZK () is a private non-profit organization. All patients were treated in compassionate use (“Individueller Heilversuch”). Costs for such individualized treatments are calculated according to the German Law for Ambulant Treatment (“Gebühren Ordnung für Ärzte”).