Article History
Received: 29 August 2019
Accepted: 4 October 2019
First Online: 19 October 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: The authors declared that the research was conducted according to the principles of the World Medical Association Declaration of Helsinki “Ethical Principles for Medical Research Involving Human Subjects” (amended in October 2013).
: Informed consent was obtained from all individual participants included in the study.