We have added a statement to the “Ethical Approval and Consent to Participate” section and uploaded the original ethical approval document and its English translation in the “Related files”. The document contains the full name of the ethics committee and the reference number of the ethics approval document, and it also states that the ethics committee approved our application for “Participant Informed Consent Waiver”.
We have stated in the “Ethical Approval and Consent to Participate” section that we have received approval of our application for a “Participant Informed Consent Waiver”.
We have added a note in the section “Relevant Guidelines and Regulations” to the section “Declarations” in the manuscript.
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