1. Authors must ensure that all studies undertaken relating to vulnerable individuals or populations (cognitive vulnerability, authority vulnerability, differential vulnerability, physical vulnerability, social vulnerability, cultural vulnerability, etc.) comply with national, local and institutional laws and requirements, and must confirm that approval has been sought and obtained where necessary. Authors must obtain express permission from subjects and respect their privacy.
2. When conducting research with vulnerable populations (e.g., youth, recently migrated populations, mentally ill people), authors should take special care to ensure that the voluntary nature of research participation is understood and that any consent obtained is not coerced.
3. If informed consent has not been possible, a properly constituted research and ethics committee must decide whether the study is approved from an ethical point of view In accordance with the Ethical Research Involving Children (Handbook ERIC)
4. In the case of research with children and/or adolescents, the author will need the informed consent of the parents, guardians or relatives in charge of the minor.