Shamekhi Amiri, Fateme
Rostami, Zohreh
Article History
Received: 10 November 2019
Accepted: 28 January 2020
First Online: 7 February 2020
Ethics approval and consent to participate
: Authors of published articles stated that research was conducted ethically in accordance with the World Medical Association Declaration of Helsinki. They described that subjects (or their parents or guardians) were given their informed consent and study protocol was approved by the institute’s committee on human research.
: Not applicable.
: The authors declare that there are no competing interests.