Funding for this research was provided by:
Technische Universität Dresden
Accepted: 12 April 2021
First Online: 26 April 2021
: As the survey was fully anonymous and the personal data were protected in accordance with the EU Regulation 2016/679 of the European Parliament and Council, ethical approval by a research ethics committee was not needed, as confirmed by the Data Protection Officer of the Technische Universität Dresden, Germany and the Research Ethics Board of the Technische Universität Dresden, Germany (letter available upon request).
: Not applicable.
: The Authors declare that there are no conflicts of interest. The authors alone are responsible for the views expressed in this publication and they do not necessarily represent the decisions or the stated policy of the World Health Organization, of which Maria Neufeld is a consultant.