Stuart conducted a study evaluating cancer survivors' adjustment following treatment. Another researcher from an outside institution asks Stuart for access to his data to conduct additional analyses. To ensure that participants' privacy and confidentiality are maintained, how would Stuart best handle this request?

A-Stuart can give the dataset to the other researcher, and ask that the researcher agree not to share it with others.

B-Stuart can ask permission from each participant for their data to be shared, and exclude data from participants who do not give their permission.

C-Stuart can provide the researcher with a dataset that excludes identifiable patient information.

D-Stuart cannot share these data with another researcher because they are from a different institution.