Funding for this research was provided by:
Foundation for the National Institutes of Health (IP2- 150708)
Schweizerischer Nationalfonds zur Förderung der Wissenschaftlichen Forschung (P2ZHP1_184004)
Deutsche Forschungsgemeinschaft (PhD stipend)
Johannes Gutenberg-Universität Mainz
Accepted: 2 October 2020
First Online: 22 October 2020
Compliance with Ethical Standards
: We have no known conflict of interest to disclose.
: Consent forms were signed by the participant after being informed about the study, before each interview, in written form.
: The participants in our study were informed that the results of our study will be published, and their identity will remain anonymous and protected.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (Health Sciences Research Ethics Board, REB # 2017-4321) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: The participants in this study were provided a written form containing information about the project and declaring ethical issues, which they read and signed before each interview. We acquired informed consent from all the participants.