Author contribution: Komissarova OV — selection and analysis of the literature, analysis and generalization of the results, article authoring and formatting; Khatuaev RO — online survey preparation, processing of the results of the study, participation in article authoring.

Compliance with ethical standards: the study was consistent with the principles of biomedical ethics. The survey was anonymous, which ensured confidentiality of the information provided. Each participant was informed about the objectives and methods of the study and gave a prior informed consent.