Funding for this research was provided by:
RWTH Aachen University
Received: 19 April 2022
Accepted: 19 July 2022
First Online: 4 August 2022
Change Date: 21 November 2022
Change Type: Correction
Change Details: A Correction to this paper has been published:
Change Details: https://doi.org/10.1186/s12904-022-01103-2
: Ethical approval for the study was obtained from the UCH Ethics Committee (NHREC/05/01/2008a), UNTH Ethics and Research Committee (NHREC/05/01/2008B-FWA00002458-1RB00002323) and Ethics Commission of the Medical Faculty of the RWTH Aachen University (EK 116/16). The participants were provided with verbal and written information about the study, and they provided written informed consent before the interviews were conducted. Participants’ responses were kept confidential. They were assigned a random numerical code and their actual identity was revealed at no time. Participation in this study was voluntary; refusal to participate did not incur any disadvantages for the participants. A template of the informed consent forms may be available from the corresponding author upon reasonable request. The completed consent forms, signed by the participants, are stored in archive in the Department of Palliative Medicine, RWTH Aachen University. All methods used where performed in accordance with the Ethical approval and the informed consent and in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors hereby declare that they have no competing interests to disclose.