Article History
Received: 30 April 2020
Accepted: 14 May 2020
First Online: 29 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest none.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration.
: All study participants provided informed consent prior to their participation.
Free to read: This content has been made available to all.