Received: 26 September 2018
Accepted: 26 August 2019
First Online: 11 September 2019
Ethics approval and consent to participate
: Ethical approval was obtained from the ethics committee of the Heinrich Heine University (No. 4921R/ Reg-ID: 2014123063). Participants consented to participate in the study and consented to the results being published according to the ethical approval. The study was conducted in accordance with the Declaration of Helsinki on Ethical Principles for Medical Research involving Human Subjects.Prior to take an active part in the study, attendees received background information via the iPads we used throughout our study. Participants were given enough time to decide whether they want to take part, or not. Attendees provided informed consent for participation by finally transferring their results to our database via a button at the end of the survey.
: Not applicable.
: The authors declare that they have no competing interests.