The “Ethical Committee Approval” is requested for manuscripts regarding changes for 2020 under TR INDEX Evaluation Criteria. All manuscripts uploaded on or after February 21, 2020 must upload the Ethics Committee Approval / Permission Document. In this regard, for studies requiring Ethics Committee approval and uploaded after February 21, 2020, information about the approval (panel name, date and number) should be included in the methods section and on the first/last page of the manuscript. 

In particular, the authors should state that surveys and experimental studies do not require an Ethics Committee Approval.