Funding for this research was provided by:
Received: 15 April 2021
Accepted: 17 September 2021
First Online: 7 October 2021
: According to the Model Professional Code for Physicians [CitationRef removed], an explicit ethics approval was deemed unnecessary for this study because the questionnaires were anonymous and no personal identifiable data was collected. The participating GPs were informed by a written formal cover letter about the use and publication of their anonymized data for this study. Participation in the study was completely voluntary. Returning the completed questionnaire was interpreted as informed consent to participate in the study.The Ethics Committee at the Medical Faculty of the University of Leipzig confirmed in their “waiver” on 21st of April 2021 that there is no professional legal and ethical consulting obligation for this project through the anonymization of the questionnaire participants.All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and / or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Not applicable, as the manuscript does not contain data from any individual person.
: The authors declare that they have no competing interests.