Nakhaee, Samaneh
Naseri, Kobra
Mehrpour, Omid
Article History
Received: 5 December 2018
Accepted: 13 December 2018
First Online: 1 January 2019
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: This is a letter to the editor that did not involve the care of humans or animals.
: There is no requirement for informed consent with this letter to the editor.