Article History
Received: 25 September 2019
Revised: 4 November 2019
Accepted: 11 November 2019
First Online: 4 December 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict(s) of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants. The participants were encouraged to contact the authors for any questions.