Article History
Received: 21 November 2018
Accepted: 10 March 2019
First Online: 22 March 2019
Compliance with Ethical Standards
:
: None of the authors has declared any conflict of interest (financial or non-financial) from being named as an author on the manuscript.
: All procedures performed in the study were in concordance with the ethical standards of the institutional and/or national research committee and the Declaration of Helsinki in 1964 and its subsequent amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.