**5. Ethical Considerations**

This study was approved by the Bioethical Commission of the Medical University of Lublin, Lublin, Poland, and was conducted in compliance with national legislation and the Declaration of Helsinki. Before fulfilling the questionnaire, all of the respondents had to sign a consent form declaring that they agree to take part in this study before the survey has started. Informed consent included information about the form and nature of the study along with its aim and information about the confidentiality and anonymity of data and the exploitation of the results only for scientific purposes. All of the data obtained in this study was gathered and analyzed anonymously.

#### **6. Results**
