Funding for this research was provided by:
Received: 8 July 2020
Accepted: 9 November 2020
First Online: 30 November 2020
Ethics approval and consent to participate
: Healthy participants were responding to an anonym online survey and were recruited on voluntary basis. Participants were assured confidentially and were informed about the purpose of the study and data protection information at the starting page of the online survey. By filling in the anonymous questionnaire, interested persons consented to participate. Neither concrete identifying personal details nor IP addresses were recorded to guarantee anonymity.
: The authors declare that they have no competing interests.