1. Please describe the reason for studying clinical data of patients in item C1.
2. Please describe the benefits of this study in item C2.
3. Please write “No” instead of “N/A” in item C3, Vulnerable Research Participants.
4. Please state the reason for not offering compensation to research participants in item C7 – the reason is that this project is based on clinical records only.
5. Please add more information about confidentiality of the research participants to item C12: who extracts the clinical data and who codes them (Coding system)? A secondary person should be responsible for this task, not be the Principal Investigator.