Article History
Received: 8 November 2019
Accepted: 24 July 2020
First Online: 12 August 2020
Compliance with Ethical Standards
:
: The authors have no potential conflicts of interest regarding this research project; financial or nonfinancial. This statement includes the following issues: honoraria for speaking at symposia, financial support for attending symposia, financial support for educational programmes, employment or consultation, support from a project sponsor, position on advisory board or board of directors or other type of management relationships, multiple affiliations, financial relationships (for example equity ownership or investment interest), intellectual property rights (e.g. patents, copyrights and royalties from such rights), and holdings of spouse and/or children that may have financial interest in the work.
: The research is conceptual, with no human participants, therefore the issue of informed consent does not apply. The research involved no non-human animals either.