Funding for this research was provided by:
Charité – Universitätsmedizin Berlin (1583978220196386)
Text and Data Mining valid from 2019-11-20
Received: 10 July 2019
Accepted: 7 November 2019
First Online: 20 November 2019
Ethics approval and consent to participate
: The study protocol for this qualitative study was approved by the ethical review committee of the Charité - Universitaetsmedizin Berlin (reference EA4/034/17). All participants gave written informed consent to participate in the study.
: Not applicable.
: The authors declare that they have no competing interests.