Storage duration. All (raw) data should be stored for at least 10 years after the publication date (Note: this is a new rule).
Anonymity. Data should be stored in such a way that it is not possible to track down personal details from the data. This means that data should be anonymized. In practice, this means that:
All informed consent forms (in paper) should be collected at the TOP. They will see to it that it will be archived, together with any document containing the relation between participant numbers and confidential information.