Based on Iran Ministry of Health & Medical Education regulation & rules, all submitted manuscript to the journals should be registered within Iran National Committee for Ethics in Biomedical Research earlier & achieved the Ethics Committee Approval Code which should be submitted along with manuscript & should be mentioned in the last part of manuscript material & methods section. Each Ethics Committee Approval Code will be verified online at Iran National Committee for Ethics in Biomedical Research website available at: https://ethics.research.ac.ir