Fathollahi-Fard, Amir Mohammad
Hajiaghaei-Keshteli, Mostafa
Tavakkoli-Moghaddam, Reza
Article History
First Online: 10 March 2020
Compliance with ethical standards
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: The authors of this research certify that they have NO affiliation with or involvement in any organization or entity with financial interest (such as honoraria; educational grants; participation in speakers’ bureaus; membership, employment, consultancies, stock ownership, or other equity interest; and expert testimony or patent-licensing arrangements), or non-financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.