Article History
Received: 11 March 2019
Revised: 1 June 2019
Accepted: 22 June 2019
First Online: 10 July 2019
Compliance with ethical standards
:
: All authors declare they have no conflict of interest.
: All procedures within the study were in accordance with the ethical standards of the institutional review board.
: Informed consent was obtained from all participants included in the current study.