Funding for this research was provided by:
Innovation Fund, Innovation Committee of the Federal Joint Committee in Germany (01VSF16055)
Received: 16 October 2019
Accepted: 27 March 2020
First Online: 21 April 2020
Ethics approval and consent to participate
: The need for ethics approval and written informed consent was waived by the local medical ethics committee of the Carl von Ossietzky University of Oldenburg (no. 2018–147) since the study represents non-interventional research with anonymized data that included healthcare professionals, not patients. In the personalized letters the participants were informed that they were under no obligation to complete the questionnaire. Returning the questionnaire was taken as consent to participate.
: Not applicable.
: The authors declare that they have no competing interests.