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The trial was approved by the institutional review board and the ethics committee of Tehran University of Medical Sciences (IR.TUMS.VCR.REC.1397.503) and was in agreement with the Declaration of Helsinki. This trial is registered in the Iranian Registry of Clinical Trials with IRCT20090117001556N114 as the registration code.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical Approval"}},{"value":"Informed consent was obtained from all individual participants included in the study.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Informed Consent"}}]}}