Article History
Received: 27 September 2019
Accepted: 15 November 2019
First Online: 4 December 2019
Compliance with ethical standards
:
: The authors certify that they have no affiliations with or financial involvement in any organization or entity with a direct financial interest in the subject matter or materials discussed in the article. The authors declare that they have no conflict 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 [Ethical approval was obtained from the Lebanese German University Institutional Review Board (ClinicalTrials.gov NCT03983642)] and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.