Received: 3 November 2020
Accepted: 4 February 2021
First Online: 22 February 2021
Ethics approval and consent to participate
: Before the start of the study, the approval of the Regional Research Ethics Committee was obtained under the code IR.MUMS.NURSE.REC.1398.052. The principles of confidentiality and informed consent were observed carefully and all methods were performed in accordance with the relevant guidelines and regulations. Informed consent was obtained from parent and/or legal guardians for subjects who were under 18 age. In addition, the study was registered in the Iran Clinical Trial Center under the code IRCT20190622043971N1, on 05-10-2019.
: The article does not contain any individual’s details and consent for publication is not applicable.
: The authors declare that they have no competing interests.