Kaufeld, Jessica
Brinkkoetter, Paul T.
Schreiber, Adrian
Jabs, Wolfram J.
Bieringer, Markus
Bruck, Heike
Menne, Jan http://orcid.org/0000-0003-0255-6590
Völker, Linus A.
Funding for this research was provided by:
Medizinische Hochschule Hannover (MHH)
Article History
Received: 19 August 2020
Accepted: 7 September 2020
First Online: 30 September 2020
Compliance with ethical standards
:
: PTB reports grants from the German Research Foundation (BR2955/8) during the conduct of the study and personal fees from Alexion, Sanofi Genzyme, and Pfizer (speaker honoraria, advisory boards). JM received personal fees from Alexion, Sanofi Genzyme, and Ablynx (speaker honoraria, advisory boards). LAV reports grants from the Else-Kroener-Fresenius Stiftung (2015_A224) and speaker honoraria from Sanofi-Genzyme. The rest of the authors report no conflict of interest.
: As we performed a retrospective analysis of several cases from different hospitals, we did not obtain ethical approval or informed consents in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.