Funding for this research was provided by:
CSL Behring (Educational grant)
Text and Data Mining valid from 2019-03-13
Received: 11 October 2018
Accepted: 5 March 2019
First Online: 13 March 2019
Ethics approval and consent to participate
: The study was approved by the Ethics Committee of the Landesärztekammer Rheinland-Pfalz, 837.413.13 (9098-F). All patients gave their informed consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.