In some types of research that may require you to visit the center outside your scheduled appointments, you may receive compensation for transportation costs. This compensation is part of your rights, and you should not incur any additional expenses as a result of participating in the study.
The amount and details of the compensation should be clearly stated in the informed consent form. Please feel free to ask the research team about this and ensure that you receive it.
This compensation is provided to support your convenience and in appreciation of your contribution to the research.