Text and Data Mining valid from 2020-01-03
Received: 8 October 2019
Accepted: 28 November 2019
First Online: 3 January 2020
Ethics approval and consent to participate
: The retrospective study on antibody frequency was approved by the Ethics committee of the University of Münster, Germany (2017–005-f-S).
: Not applicable.
: CGB obtained honoraria for speaking engagements from UCB (Monheim, Germany), Desitin (Hamburg, Germany), and Euroimmun (Lübeck, Germany). He receives research support from Deutsche Forschungsgemeinschaft (German Research Council, Bonn, Germany) and Gerd-Altenhof-Stiftung (Deutsches Stiftungs-Zentrum, Essen, Germany).CIB has no competing interests.