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Authors
Mahboobi, Zeinab
Pakdaman, Afsaneh
Yazdani, Reza
Azadbakht, Leila
Shamshiri, Ahmad R.
Babaei, Azadeh
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Article History
Received: 3 February 2021
Accepted: 6 May 2021
First Online: 13 May 2021
Declarations
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: The study protocol was approved by the ethics committee of Tehran University of Medical Science (TUMS). Information about the study was provided to school managers and parents/guardians of children and a written ‘informed consent’ was received from the parents/guardian. All procedures were carried out in accordance with relevant guidelines.
: Not applicable.
: Authors have no competing interest.
