Ullrich, Anneke https://orcid.org/0000-0002-1759-4461
Grube, Kristina
Hlawatsch, Cornelia
Bokemeyer, Carsten
Oechsle, Karin
Article History
Received: 24 September 2018
Accepted: 1 July 2019
First Online: 17 July 2019
Ethics approval and consent to participate
: Ethical committee approval was granted by the General Medical Council of Hamburg, Germany (PV5116). All study participants provided written informed consent for study participation, data analysis and publication.
: Not applicable.
: The authors declare that they have no competing interests.